mirror of https://github.com/janet-lang/janet
83 lines
3.1 KiB
C
83 lines
3.1 KiB
C
/*
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* Copyright (c) 2021 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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#ifndef JANET_FIBER_H_defined
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#define JANET_FIBER_H_defined
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#ifndef JANET_AMALG
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#include <janet.h>
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#endif
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/* Fiber signal masks. */
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#define JANET_FIBER_MASK_ERROR 2
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#define JANET_FIBER_MASK_DEBUG 4
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#define JANET_FIBER_MASK_YIELD 8
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#define JANET_FIBER_MASK_USER0 (16 << 0)
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#define JANET_FIBER_MASK_USER1 (16 << 1)
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#define JANET_FIBER_MASK_USER2 (16 << 2)
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#define JANET_FIBER_MASK_USER3 (16 << 3)
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#define JANET_FIBER_MASK_USER4 (16 << 4)
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#define JANET_FIBER_MASK_USER5 (16 << 5)
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#define JANET_FIBER_MASK_USER6 (16 << 6)
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#define JANET_FIBER_MASK_USER7 (16 << 7)
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#define JANET_FIBER_MASK_USER8 (16 << 8)
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#define JANET_FIBER_MASK_USER9 (16 << 9)
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#define JANET_FIBER_MASK_USERN(N) (16 << (N))
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#define JANET_FIBER_MASK_USER 0x3FF0
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#define JANET_FIBER_STATUS_MASK 0x3F0000
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#define JANET_FIBER_RESUME_SIGNAL 0x400000
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#define JANET_FIBER_STATUS_OFFSET 16
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#define JANET_FIBER_BREAKPOINT 0x1000000
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#define JANET_FIBER_RESUME_NO_USEVAL 0x2000000
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#define JANET_FIBER_RESUME_NO_SKIP 0x4000000
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#define JANET_FIBER_DID_LONGJUMP 0x8000000
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#define JANET_FIBER_FLAG_MASK 0xF000000
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#define janet_fiber_set_status(f, s) do {\
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(f)->flags &= ~JANET_FIBER_STATUS_MASK;\
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(f)->flags |= (s) << JANET_FIBER_STATUS_OFFSET;\
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} while (0)
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#define janet_stack_frame(s) ((JanetStackFrame *)((s) - JANET_FRAME_SIZE))
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#define janet_fiber_frame(f) janet_stack_frame((f)->data + (f)->frame)
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void janet_fiber_setcapacity(JanetFiber *fiber, int32_t n);
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void janet_fiber_push(JanetFiber *fiber, Janet x);
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void janet_fiber_push2(JanetFiber *fiber, Janet x, Janet y);
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void janet_fiber_push3(JanetFiber *fiber, Janet x, Janet y, Janet z);
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void janet_fiber_pushn(JanetFiber *fiber, const Janet *arr, int32_t n);
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int janet_fiber_funcframe(JanetFiber *fiber, JanetFunction *func);
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int janet_fiber_funcframe_tail(JanetFiber *fiber, JanetFunction *func);
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void janet_fiber_cframe(JanetFiber *fiber, JanetCFunction cfun);
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void janet_fiber_popframe(JanetFiber *fiber);
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void janet_env_maybe_detach(JanetFuncEnv *env);
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int janet_env_valid(JanetFuncEnv *env);
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#ifdef JANET_EV
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void janet_fiber_did_resume(JanetFiber *fiber);
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#endif
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#endif
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