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88 lines
1.9 KiB
C
88 lines
1.9 KiB
C
// Copyright (c) 2021 Christoffer Lerno. All rights reserved.
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// Use of this source code is governed by the MIT license
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// a copy of which can be found in the LICENSE_STDLIB file.
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module std::core::cinterop;
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const C_INT_SIZE = $$C_INT_SIZE;
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const C_LONG_SIZE = $$C_LONG_SIZE;
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const C_SHORT_SIZE = $$C_SHORT_SIZE;
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const C_LONG_LONG_SIZE = $$C_LONG_LONG_SIZE;
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$assert (C_SHORT_SIZE < 32);
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$assert (C_INT_SIZE < 128);
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$assert (C_LONG_SIZE < 128);
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$assert (C_LONG_LONG_SIZE <= 128);
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$assert (C_SHORT_SIZE <= C_INT_SIZE);
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$assert (C_INT_SIZE <= C_LONG_SIZE);
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$assert (C_LONG_SIZE <= C_LONG_LONG_SIZE);
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$switch ($$C_INT_SIZE):
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$case 64:
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typedef CInt = long;
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typedef CUInt = ulong;
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$case 32:
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typedef CInt = int;
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typedef CUInt = uint;
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$case 16:
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typedef CInt = short;
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typedef CUInt = ushort;
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$default:
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$assert(false, "Invalid C int size");
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$endswitch;
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$switch ($$C_LONG_SIZE):
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$case 64:
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typedef CLong = long;
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typedef CULong = ulong;
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$case 32:
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typedef CLong = int;
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typedef CULong = uint;
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$case 16:
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typedef CLong = short;
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typedef CULong = ushort;
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$default:
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$assert(false, "Invalid C long size");
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$endswitch;
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$switch ($$C_SHORT_SIZE):
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$case 32:
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typedef CShort = int;
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typedef CUShort = uint;
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$case 16:
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typedef CShort = short;
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typedef CUShort = ushort;
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$case 8:
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typedef CShort = ichar;
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typedef CUShort = char;
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$default:
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$assert(false, "Invalid C short size");
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$endswitch;
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$switch ($$C_LONG_LONG_SIZE):
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$case 128:
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typedef CLongLong = int128;
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typedef CULongLong = uint128;
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$case 64:
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typedef CLongLong = long;
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typedef CULongLong = ulong;
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$case 32:
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typedef CLongLong = int;
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typedef CULongLong = uint;
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$case 16:
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typedef CLongLong = short;
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typedef CULongLong = ushort;
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$default:
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$assert(false, "Invalid C long long size");
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$endswitch;
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typedef CSChar = ichar;
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typedef CUChar = char;
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$if ($$C_CHAR_IS_SIGNED):
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typedef CChar = ichar;
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$else:
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typedef CChar = char;
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$endif;
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