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28 rader
694 B
28 rader
694 B
// This file is part of Jiffy released under the MIT license.
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// See the LICENSE file for more information.
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#ifndef TERMSTACK_H
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#define TERMSTACK_H
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#include "erl_nif.h"
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#define SMALL_TERMSTACK_SIZE 16
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typedef struct {
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ERL_NIF_TERM* elements;
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size_t size;
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size_t top;
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ERL_NIF_TERM __default_elements[SMALL_TERMSTACK_SIZE];
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} TermStack;
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ERL_NIF_TERM termstack_save(ErlNifEnv* env, TermStack* stack);
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int termstack_restore(ErlNifEnv* env, ERL_NIF_TERM from, TermStack* stack);
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void termstack_destroy(TermStack* stack);
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void termstack_push(TermStack* stack, ERL_NIF_TERM term);
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ERL_NIF_TERM termstack_pop(TermStack* stack);
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int termstack_is_empty(TermStack* stack);
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#endif
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