mirror of
https://github.com/janet-lang/janet
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41 lines
1.6 KiB
C
41 lines
1.6 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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/* If a frame has a closure environment, detach it from
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* the stack and have it keep its own values */
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void dst_function_detach(DstFunction *func) {
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/* Check for closure environment */
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if (NULL != func->envs && NULL != func->envs[0]) {
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DstFuncEnv *env = func->envs[0];
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size_t s = sizeof(DstValue) * env->length;
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DstValue *vmem = malloc(s);
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if (NULL == vmem) {
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DST_OUT_OF_MEMORY;
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}
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memcpy(vmem, env->as.fiber->data + env->offset, s);
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env->offset = 0;
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env->as.values = vmem;
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}
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}
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