mirror of
https://github.com/janet-lang/janet
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61 lines
2.4 KiB
C
61 lines
2.4 KiB
C
/*
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* Copyright (c) 2017 Calvin Rose
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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#include <dst/dst.h>
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/* Wrapper functions wrap a data type that is used from C into a
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* dst value, which can then be used in dst internal functions. Use
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* these functions sparingly, as these function will let the programmer
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* leak memory, where as the stack based API ensures that all values can
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* be collected by the garbage collector. */
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DstValue dst_wrap_nil() {
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DstValue y;
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y.type = DST_NIL;
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return y;
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}
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#define DST_WRAP_DEFINE(NAME, TYPE, DTYPE, UM)\
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DstValue dst_wrap_##NAME(TYPE x) {\
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DstValue y;\
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y.type = DTYPE;\
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y.as.UM = x;\
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return y;\
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}
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DST_WRAP_DEFINE(real, double, DST_REAL, real)
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DST_WRAP_DEFINE(integer, int64_t, DST_INTEGER, integer)
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DST_WRAP_DEFINE(boolean, int, DST_BOOLEAN, boolean)
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DST_WRAP_DEFINE(string, const uint8_t *, DST_STRING, string)
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DST_WRAP_DEFINE(symbol, const uint8_t *, DST_SYMBOL, string)
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DST_WRAP_DEFINE(array, DstArray *, DST_ARRAY, array)
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DST_WRAP_DEFINE(tuple, const DstValue *, DST_TUPLE, tuple)
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DST_WRAP_DEFINE(struct, const DstValue *, DST_STRUCT, st)
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DST_WRAP_DEFINE(thread, DstFiber *, DST_FIBER, fiber)
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DST_WRAP_DEFINE(buffer, DstBuffer *, DST_BUFFER, buffer)
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DST_WRAP_DEFINE(function, DstFunction *, DST_FUNCTION, function)
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DST_WRAP_DEFINE(cfunction, DstCFunction, DST_CFUNCTION, cfunction)
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DST_WRAP_DEFINE(table, DstTable *, DST_TABLE, table)
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DST_WRAP_DEFINE(userdata, void *, DST_USERDATA, pointer)
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#undef DST_WRAP_DEFINE
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