95 lines
2.6 KiB
C
95 lines
2.6 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* vec_ast.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: maiboyer <maiboyer@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2023/12/05 18:46:28 by maiboyer #+# #+# */
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/* Updated: 2023/12/09 17:54:11 by maiboyer ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "me/mem/mem.h"
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#include "me/types.h"
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#include "me/vec/vec_ast.h"
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#include <stdlib.h>
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t_vec_ast vec_ast_new(t_usize capacity,
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t_free_ast_item free_function)
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{
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t_vec_ast out;
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out = (t_vec_ast){0};
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out.free_func = free_function;
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out.buffer = mem_alloc_array(capacity, sizeof(t_ast_node));
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if (out.buffer)
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out.capacity = capacity;
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return (out);
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}
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/// Return true in case of an error
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t_error vec_ast_push(t_vec_ast *vec, t_ast_node element)
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{
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if (vec == NULL)
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return (ERROR);
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vec_ast_reserve(vec, vec->len + 1);
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vec->buffer[vec->len] = element;
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vec->len += 1;
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return (NO_ERROR);
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}
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/// Return true in case of an error
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t_error vec_ast_reserve(t_vec_ast *vec, t_usize wanted_capacity)
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{
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size_t new_capacity;
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if (vec == NULL)
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return (ERROR);
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if (wanted_capacity > vec->capacity)
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{
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new_capacity = (vec->capacity * 3) / 2 + 1;
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while (wanted_capacity > new_capacity)
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new_capacity = (new_capacity * 3) / 2 + 1;
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vec->buffer =
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mem_realloc_array(vec->buffer, new_capacity, sizeof(t_ast_node));
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vec->capacity = new_capacity;
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}
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return (NO_ERROR);
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}
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/// Return true if the vector is empty
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/// This function is safe to call with value being NULL
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t_error vec_ast_pop(t_vec_ast *vec, t_ast_node *value)
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{
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t_ast_node temp_value;
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t_ast_node *ptr;
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if (vec == NULL)
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return (ERROR);
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ptr = value;
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if (vec->len == 0)
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return (ERROR);
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if (value == NULL)
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ptr = &temp_value;
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vec->len--;
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*ptr = vec->buffer[vec->len];
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mem_set_zero(&vec->buffer[vec->len], sizeof(t_ast_node));
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return (NO_ERROR);
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}
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/// This function is safe to call with `free_elem` being NULL
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void vec_ast_free(t_vec_ast vec)
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{
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if (vec.buffer == NULL)
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return;
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if (vec.free_func)
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{
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while (vec.len)
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{
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vec.free_func(vec.buffer[vec.len - 1]);
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vec.len--;
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}
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}
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mem_free(vec.buffer);
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}
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