simplevector.c
// This file is a part of Julia. License is MIT: https://julialang.org/license
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
#include "julia.h"
#include "julia_internal.h"
#include "julia_assert.h"
JL_DLLEXPORT jl_svec_t *(ijl_svec)(size_t n, ...)
{
va_list args;
if (n == 0) return jl_emptysvec;
va_start(args, n);
jl_svec_t *jv = jl_alloc_svec_uninit(n);
for (size_t i = 0; i < n; i++)
jl_svecset(jv, i, va_arg(args, jl_value_t*));
va_end(args);
return jv;
}
jl_svec_t *(jl_perm_symsvec)(size_t n, ...)
{
if (n == 0) return jl_emptysvec;
jl_svec_t *jv = (jl_svec_t*)jl_gc_permobj((n + 1) * sizeof(void*), jl_simplevector_type);
jl_svec_set_len_unsafe(jv, n);
va_list args;
va_start(args, n);
for (size_t i = 0; i < n; i++)
jl_svecset(jv, i, jl_symbol(va_arg(args, const char*)));
va_end(args);
return jv;
}
JL_DLLEXPORT jl_svec_t *jl_svec1(void *a)
{
jl_task_t *ct = jl_current_task;
jl_svec_t *v = (jl_svec_t*)jl_gc_alloc(ct->ptls, sizeof(void*) * 2,
jl_simplevector_type);
jl_svec_set_len_unsafe(v, 1);
jl_svec_data(v)[0] = (jl_value_t*)a;
return v;
}
JL_DLLEXPORT jl_svec_t *jl_svec2(void *a, void *b)
{
jl_task_t *ct = jl_current_task;
jl_svec_t *v = (jl_svec_t*)jl_gc_alloc(ct->ptls, sizeof(void*) * 3,
jl_simplevector_type);
jl_svec_set_len_unsafe(v, 2);
jl_svec_data(v)[0] = (jl_value_t*)a;
jl_svec_data(v)[1] = (jl_value_t*)b;
return v;
}
JL_DLLEXPORT jl_svec_t *jl_alloc_svec_uninit(size_t n)
{
jl_task_t *ct = jl_current_task;
if (n == 0) return jl_emptysvec;
jl_svec_t *jv = (jl_svec_t*)jl_gc_alloc(ct->ptls, (n + 1) * sizeof(void*),
jl_simplevector_type);
jl_svec_set_len_unsafe(jv, n);
return jv;
}
JL_DLLEXPORT jl_svec_t *jl_alloc_svec(size_t n)
{
if (n == 0) return jl_emptysvec;
jl_svec_t *jv = jl_alloc_svec_uninit(n);
memset(jl_assume_aligned(jl_svec_data(jv), sizeof(void*)), 0, n * sizeof(void*));
return jv;
}
JL_DLLEXPORT jl_svec_t *jl_svec_copy(jl_svec_t *a)
{
size_t n = jl_svec_len(a);
jl_svec_t *c = jl_alloc_svec_uninit(n);
memmove_refs((void**)jl_svec_data(c), (void**)jl_svec_data(a), n);
return c;
}
JL_DLLEXPORT jl_svec_t *jl_svec_fill(size_t n, jl_value_t *x)
{
if (n == 0) return jl_emptysvec;
jl_svec_t *v = jl_alloc_svec_uninit(n);
for (size_t i = 0; i < n; i++)
jl_svec_data(v)[i] = x;
return v;
}
JL_DLLEXPORT size_t (jl_svec_len)(jl_svec_t *t) JL_NOTSAFEPOINT
{
return jl_svec_len(t);
}
JL_DLLEXPORT int8_t jl_svec_isassigned(jl_svec_t *t JL_PROPAGATES_ROOT, ssize_t i) JL_NOTSAFEPOINT
{
return jl_svecref(t, (size_t)i) != NULL;
}
JL_DLLEXPORT jl_value_t *jl_svec_ref(jl_svec_t *t JL_PROPAGATES_ROOT, ssize_t i)
{
jl_value_t *v = jl_svecref(t, (size_t)i);
if (__unlikely(v == NULL))
jl_throw(jl_undefref_exception);
return v;
}