https://github.com/JuliaLang/julia
Tip revision: 0f3c7c868cf8594b689f0c251f951eb71be5c0ac authored by Jeff Bezanson on 02 October 2018, 02:59:52 UTC
make default module-prefix showing independent of the state of Main(e)
make default module-prefix showing independent of the state of Main(e)
Tip revision: 0f3c7c8
jltypes.c
// This file is a part of Julia. License is MIT: https://julialang.org/license
/*
Types
. type union, type cache, and instantiation
. builtin type definitions
*/
#include <stdlib.h>
#include <string.h>
#ifdef _OS_WINDOWS_
#include <malloc.h>
#endif
#include "julia.h"
#include "julia_internal.h"
#include "builtin_proto.h"
#include "julia_assert.h"
#ifdef __cplusplus
extern "C" {
#endif
jl_datatype_t *jl_any_type;
jl_unionall_t *jl_type_type;
jl_typename_t *jl_type_typename;
jl_methtable_t *jl_type_type_mt;
jl_datatype_t *jl_typename_type;
jl_datatype_t *jl_sym_type;
jl_datatype_t *jl_symbol_type;
jl_datatype_t *jl_ssavalue_type;
jl_datatype_t *jl_abstractslot_type;
jl_datatype_t *jl_slotnumber_type;
jl_datatype_t *jl_typedslot_type;
jl_datatype_t *jl_simplevector_type;
jl_typename_t *jl_tuple_typename;
jl_datatype_t *jl_anytuple_type;
jl_datatype_t *jl_emptytuple_type=NULL;
jl_unionall_t *jl_anytuple_type_type;
jl_typename_t *jl_vecelement_typename;
jl_unionall_t *jl_vararg_type;
jl_typename_t *jl_vararg_typename;
jl_datatype_t *jl_tvar_type;
jl_datatype_t *jl_uniontype_type;
jl_datatype_t *jl_unionall_type;
jl_datatype_t *jl_datatype_type;
jl_datatype_t *jl_function_type;
jl_datatype_t *jl_builtin_type;
jl_datatype_t *jl_typeofbottom_type;
jl_value_t *jl_bottom_type;
jl_unionall_t *jl_abstractarray_type;
jl_unionall_t *jl_densearray_type;
jl_datatype_t *jl_bool_type;
jl_datatype_t *jl_char_type;
jl_datatype_t *jl_int8_type;
jl_datatype_t *jl_uint8_type;
jl_datatype_t *jl_int16_type;
jl_datatype_t *jl_uint16_type;
jl_datatype_t *jl_int32_type;
jl_datatype_t *jl_uint32_type;
jl_datatype_t *jl_int64_type;
jl_datatype_t *jl_uint64_type;
jl_datatype_t *jl_float16_type;
jl_datatype_t *jl_float32_type;
jl_datatype_t *jl_float64_type;
jl_datatype_t *jl_floatingpoint_type;
jl_datatype_t *jl_number_type;
jl_datatype_t *jl_signed_type;
JL_DLLEXPORT jl_value_t *jl_emptytuple=NULL;
jl_svec_t *jl_emptysvec;
jl_value_t *jl_nothing;
JL_DLLEXPORT jl_value_t *jl_true;
JL_DLLEXPORT jl_value_t *jl_false;
jl_unionall_t *jl_typetype_type;
jl_unionall_t *jl_array_type;
jl_typename_t *jl_array_typename;
jl_value_t *jl_array_uint8_type;
jl_value_t *jl_array_any_type=NULL;
jl_value_t *jl_array_symbol_type;
jl_value_t *jl_array_int32_type;
jl_datatype_t *jl_weakref_type;
jl_datatype_t *jl_abstractstring_type;
jl_datatype_t *jl_string_type;
jl_datatype_t *jl_expr_type;
jl_datatype_t *jl_globalref_type;
jl_datatype_t *jl_linenumbernode_type;
jl_datatype_t *jl_gotonode_type;
jl_datatype_t *jl_pinode_type;
jl_datatype_t *jl_phinode_type;
jl_datatype_t *jl_phicnode_type;
jl_datatype_t *jl_upsilonnode_type;
jl_datatype_t *jl_quotenode_type;
jl_datatype_t *jl_newvarnode_type;
jl_datatype_t *jl_intrinsic_type;
jl_datatype_t *jl_method_type;
jl_datatype_t *jl_methtable_type;
jl_datatype_t *jl_typemap_entry_type;
jl_datatype_t *jl_typemap_level_type;
jl_datatype_t *jl_method_instance_type;
jl_datatype_t *jl_code_info_type;
jl_datatype_t *jl_module_type;
jl_datatype_t *jl_errorexception_type=NULL;
jl_datatype_t *jl_argumenterror_type;
jl_datatype_t *jl_typeerror_type;
jl_datatype_t *jl_methoderror_type;
jl_datatype_t *jl_loaderror_type;
jl_datatype_t *jl_initerror_type;
jl_datatype_t *jl_undefvarerror_type;
jl_datatype_t *jl_lineinfonode_type;
jl_unionall_t *jl_ref_type;
jl_unionall_t *jl_pointer_type;
jl_typename_t *jl_pointer_typename;
jl_datatype_t *jl_void_type;
jl_datatype_t *jl_voidpointer_type;
jl_typename_t *jl_namedtuple_typename;
jl_unionall_t *jl_namedtuple_type;
jl_value_t *jl_an_empty_vec_any=NULL;
jl_value_t *jl_stackovf_exception;
#ifdef SEGV_EXCEPTION
jl_value_t *jl_segv_exception;
#endif
JL_DLLEXPORT jl_value_t *jl_diverror_exception;
JL_DLLEXPORT jl_value_t *jl_domain_exception;
JL_DLLEXPORT jl_value_t *jl_overflow_exception;
JL_DLLEXPORT jl_value_t *jl_undefref_exception;
jl_value_t *jl_interrupt_exception;
jl_datatype_t *jl_boundserror_type;
jl_value_t *jl_memory_exception;
jl_value_t *jl_readonlymemory_exception;
jl_cgparams_t jl_default_cgparams = {1, 1, 1, 1, 0, NULL, NULL, NULL, NULL, NULL};
// --- type properties and predicates ---
static int typeenv_has(jl_typeenv_t *env, jl_tvar_t *v)
{
while (env != NULL) {
if (env->var == v)
return 1;
env = env->prev;
}
return 0;
}
static int has_free_typevars(jl_value_t *v, jl_typeenv_t *env)
{
if (jl_typeis(v, jl_tvar_type)) {
return !typeenv_has(env, (jl_tvar_t*)v);
}
if (jl_is_uniontype(v))
return has_free_typevars(((jl_uniontype_t*)v)->a, env) ||
has_free_typevars(((jl_uniontype_t*)v)->b, env);
if (jl_is_unionall(v)) {
jl_unionall_t *ua = (jl_unionall_t*)v;
jl_typeenv_t newenv = { ua->var, NULL, env };
return has_free_typevars(ua->var->lb, env) || has_free_typevars(ua->var->ub, env) ||
has_free_typevars(ua->body, &newenv);
}
if (jl_is_datatype(v)) {
int expect = ((jl_datatype_t*)v)->hasfreetypevars;
if (expect == 0 || env == NULL)
return expect;
size_t i;
for (i=0; i < jl_nparams(v); i++) {
if (has_free_typevars(jl_tparam(v,i), env)) {
assert(expect);
return 1;
}
}
}
return 0;
}
JL_DLLEXPORT int jl_has_free_typevars(jl_value_t *v)
{
return has_free_typevars(v, NULL);
}
static void find_free_typevars(jl_value_t *v, jl_typeenv_t *env, jl_array_t *out)
{
if (jl_typeis(v, jl_tvar_type)) {
if (!typeenv_has(env, (jl_tvar_t*)v))
jl_array_ptr_1d_push(out, v);
}
else if (jl_is_uniontype(v)) {
find_free_typevars(((jl_uniontype_t*)v)->a, env, out);
find_free_typevars(((jl_uniontype_t*)v)->b, env, out);
}
else if (jl_is_unionall(v)) {
jl_unionall_t *ua = (jl_unionall_t*)v;
jl_typeenv_t newenv = { ua->var, NULL, env };
find_free_typevars(ua->var->lb, env, out);
find_free_typevars(ua->var->ub, env, out);
find_free_typevars(ua->body, &newenv, out);
}
else if (jl_is_datatype(v)) {
if (!((jl_datatype_t*)v)->hasfreetypevars)
return;
size_t i;
for (i=0; i < jl_nparams(v); i++)
find_free_typevars(jl_tparam(v,i), env, out);
}
}
JL_DLLEXPORT jl_array_t *jl_find_free_typevars(jl_value_t *v)
{
jl_array_t *out = jl_alloc_vec_any(0);
JL_GC_PUSH1(&out);
find_free_typevars(v, NULL, out);
JL_GC_POP();
return out;
}
// test whether a type has vars bound by the given environment
static int jl_has_bound_typevars(jl_value_t *v, jl_typeenv_t *env)
{
if (jl_typeis(v, jl_tvar_type))
return typeenv_has(env, (jl_tvar_t*)v);
if (jl_is_uniontype(v))
return jl_has_bound_typevars(((jl_uniontype_t*)v)->a, env) ||
jl_has_bound_typevars(((jl_uniontype_t*)v)->b, env);
if (jl_is_unionall(v)) {
jl_unionall_t *ua = (jl_unionall_t*)v;
if (jl_has_bound_typevars(ua->var->lb, env) || jl_has_bound_typevars(ua->var->ub, env))
return 1;
jl_typeenv_t *te = env;
while (te != NULL) {
if (te->var == ua->var)
break;
te = te->prev;
}
if (te) te->var = NULL; // temporarily remove this var from env
int ans = jl_has_bound_typevars(ua->body, env);
if (te) te->var = ua->var;
return ans;
}
if (jl_is_datatype(v)) {
if (!((jl_datatype_t*)v)->hasfreetypevars)
return 0;
size_t i;
for (i=0; i < jl_nparams(v); i++) {
if (jl_has_bound_typevars(jl_tparam(v,i), env))
return 1;
}
}
return 0;
}
JL_DLLEXPORT int jl_has_typevar(jl_value_t *t, jl_tvar_t *v)
{
jl_typeenv_t env = { v, NULL, NULL };
return jl_has_bound_typevars(t, &env);
}
static int _jl_has_typevar_from_ua(jl_value_t *t, jl_unionall_t *ua, jl_typeenv_t *prev)
{
jl_typeenv_t env = { ua->var, NULL, prev };
if (jl_is_unionall(ua->body))
return _jl_has_typevar_from_ua(t, (jl_unionall_t*)ua->body, &env);
else
return jl_has_bound_typevars(t, &env);
}
JL_DLLEXPORT int jl_has_typevar_from_unionall(jl_value_t *t, jl_unionall_t *ua)
{
return _jl_has_typevar_from_ua(t, ua, NULL);
}
// Return true for any type (Integer or Unsigned) that can fit in a
// size_t and pass back value, else return false
JL_DLLEXPORT int jl_get_size(jl_value_t *val, size_t *pnt)
{
if (jl_is_long(val)) {
ssize_t slen = jl_unbox_long(val);
if (slen < 0)
jl_errorf("size or dimension is negative: %d", slen);
*pnt = slen;
return 1;
}
return 0;
}
// --- type union ---
static int count_union_components(jl_value_t **types, size_t n)
{
size_t i, c=0;
for(i=0; i < n; i++) {
jl_value_t *e = types[i];
if (jl_is_uniontype(e)) {
jl_uniontype_t *u = (jl_uniontype_t*)e;
c += count_union_components(&u->a, 1);
c += count_union_components(&u->b, 1);
}
else {
c++;
}
}
return c;
}
int jl_count_union_components(jl_value_t *v)
{
if (!jl_is_uniontype(v)) return 1;
jl_uniontype_t *u = (jl_uniontype_t*)v;
return jl_count_union_components(u->a) + jl_count_union_components(u->b);
}
// Return the `*pi`th element of a nested type union, according to a
// standard traversal order. Anything that is not itself a `Union` is
// considered an "element". `*pi` is destroyed in the process.
static jl_value_t *nth_union_component(jl_value_t *v, int *pi) JL_NOTSAFEPOINT
{
if (!jl_is_uniontype(v)) {
if (*pi == 0)
return v;
(*pi)--;
return NULL;
}
jl_uniontype_t *u = (jl_uniontype_t*)v;
jl_value_t *a = nth_union_component(u->a, pi);
if (a) return a;
return nth_union_component(u->b, pi);
}
jl_value_t *jl_nth_union_component(jl_value_t *v, int i) JL_NOTSAFEPOINT
{
return nth_union_component(v, &i);
}
// inverse of jl_nth_union_component
int jl_find_union_component(jl_value_t *haystack, jl_value_t *needle, unsigned *nth) JL_NOTSAFEPOINT
{
if (jl_is_uniontype(haystack)) {
if (jl_find_union_component(((jl_uniontype_t*)haystack)->a, needle, nth))
return 1;
if (jl_find_union_component(((jl_uniontype_t*)haystack)->b, needle, nth))
return 1;
return 0;
}
if (needle == haystack)
return 1;
(*nth)++;
return 0;
}
static void flatten_type_union(jl_value_t **types, size_t n, jl_value_t **out, size_t *idx) JL_NOTSAFEPOINT
{
size_t i;
for(i=0; i < n; i++) {
jl_value_t *e = types[i];
if (jl_is_uniontype(e)) {
jl_uniontype_t *u = (jl_uniontype_t*)e;
flatten_type_union(&u->a, 1, out, idx);
flatten_type_union(&u->b, 1, out, idx);
}
else {
out[*idx] = e;
(*idx)++;
}
}
}
STATIC_INLINE const char *datatype_module_name(jl_value_t *t) JL_NOTSAFEPOINT
{
if (((jl_datatype_t*)t)->name->module == NULL)
return NULL;
return jl_symbol_name(((jl_datatype_t*)t)->name->module->name);
}
STATIC_INLINE const char *str_(const char *s) JL_NOTSAFEPOINT
{
return s == NULL ? "" : s;
}
STATIC_INLINE int cmp_(int a, int b) JL_NOTSAFEPOINT
{
return a < b ? -1 : a > b;
}
// a/b are jl_datatype_t* & not NULL
int datatype_name_cmp(jl_value_t *a, jl_value_t *b) JL_NOTSAFEPOINT
{
if (!jl_is_datatype(a))
return jl_is_datatype(b) ? 1 : 0;
if (!jl_is_datatype(b))
return -1;
int cmp = strcmp(str_(datatype_module_name(a)), str_(datatype_module_name(b)));
if (cmp != 0)
return cmp;
cmp = strcmp(str_(jl_typename_str(a)), str_(jl_typename_str(b)));
if (cmp != 0)
return cmp;
cmp = cmp_(jl_nparams(a), jl_nparams(b));
if (cmp != 0)
return cmp;
// compare up to 3 type parameters
for (int i = 0; i < 3 && i < jl_nparams(a); i++) {
jl_value_t *ap = jl_tparam(a, i);
jl_value_t *bp = jl_tparam(b, i);
if (ap == bp) {
continue;
}
else if (jl_is_datatype(ap) && jl_is_datatype(bp)) {
cmp = datatype_name_cmp(ap, bp);
if (cmp != 0)
return cmp;
}
else if (jl_is_unionall(ap) && jl_is_unionall(bp)) {
cmp = datatype_name_cmp(jl_unwrap_unionall(ap), jl_unwrap_unionall(bp));
if (cmp != 0)
return cmp;
}
else {
// give up
cmp = 0;
}
}
return cmp;
}
// sort singletons first, then DataTypes, then UnionAlls,
// ties broken alphabetically including module name & type parameters
int union_sort_cmp(const void *ap, const void *bp) JL_NOTSAFEPOINT
{
jl_value_t *a = *(jl_value_t**)ap;
jl_value_t *b = *(jl_value_t**)bp;
if (a == NULL)
return b == NULL ? 0 : 1;
if (b == NULL)
return -1;
if (jl_is_datatype(a)) {
if (!jl_is_datatype(b))
return -1;
if (jl_is_datatype_singleton((jl_datatype_t*)a)) {
if (jl_is_datatype_singleton((jl_datatype_t*)b))
return datatype_name_cmp(a, b);
return -1;
}
else if (jl_is_datatype_singleton((jl_datatype_t*)b)) {
return 1;
}
else if (jl_isbits(a)) {
if (jl_isbits(b))
return datatype_name_cmp(a, b);
return -1;
}
else if (jl_isbits(b)) {
return 1;
}
else {
return datatype_name_cmp(a, b);
}
}
else {
if (jl_is_datatype(b))
return 1;
return datatype_name_cmp(jl_unwrap_unionall(a), jl_unwrap_unionall(b));
}
}
JL_DLLEXPORT jl_value_t *jl_type_union(jl_value_t **ts, size_t n)
{
if (n == 0) return (jl_value_t*)jl_bottom_type;
size_t i;
for(i=0; i < n; i++) {
jl_value_t *pi = ts[i];
if (!(jl_is_type(pi) || jl_is_typevar(pi)) || jl_is_vararg_type(pi))
jl_type_error_rt("Union", "parameter", (jl_value_t*)jl_type_type, pi);
}
if (n == 1) return ts[0];
size_t nt = count_union_components(ts, n);
jl_value_t **temp;
JL_GC_PUSHARGS(temp, nt+1);
size_t count = 0;
flatten_type_union(ts, n, temp, &count);
assert(count == nt);
size_t j;
for(i=0; i < nt; i++) {
int has_free = temp[i]!=NULL && jl_has_free_typevars(temp[i]);
for(j=0; j < nt; j++) {
if (j != i && temp[i] && temp[j]) {
if (temp[i] == temp[j] || temp[i] == jl_bottom_type ||
temp[j] == (jl_value_t*)jl_any_type ||
(!has_free && !jl_has_free_typevars(temp[j]) &&
jl_subtype(temp[i], temp[j]))) {
temp[i] = NULL;
}
}
}
}
qsort(temp, nt, sizeof(jl_value_t*), union_sort_cmp);
jl_value_t **ptu = &temp[nt];
*ptu = jl_bottom_type;
int k;
for (k = (int)nt-1; k >= 0; --k) {
if (temp[k] != NULL) {
if (*ptu == jl_bottom_type)
*ptu = temp[k];
else
*ptu = jl_new_struct(jl_uniontype_type, temp[k], *ptu);
}
}
assert(*ptu != NULL);
jl_value_t *tu = *ptu;
JL_GC_POP();
return tu;
}
// unionall types -------------------------------------------------------------
JL_DLLEXPORT jl_value_t *jl_type_unionall(jl_tvar_t *v, jl_value_t *body)
{
if (!jl_is_type(body) && !jl_is_typevar(body))
jl_type_error_rt("UnionAll", "", (jl_value_t*)jl_type_type, body);
// normalize `T where T<:S` => S
if (body == (jl_value_t*)v)
return v->ub;
// where var doesn't occur in body just return body
if (!jl_has_typevar(body, v))
return body;
//if (v->lb == v->ub) // TODO maybe
// return jl_substitute_var(body, v, v->ub);
return jl_new_struct(jl_unionall_type, v, body);
}
// --- type instantiation and cache ---
static int contains_unions(jl_value_t *type)
{
if (jl_is_uniontype(type) || jl_is_unionall(type)) return 1;
if (!jl_is_datatype(type)) return 0;
int i;
for(i=0; i < jl_nparams(type); i++) {
if (contains_unions(jl_tparam(type,i)))
return 1;
}
return 0;
}
static intptr_t wrapper_id(jl_value_t *t) JL_NOTSAFEPOINT
{
// DataType wrappers occur often, e.g. when called as constructors.
// make sure any type equal to a wrapper gets a consistent, ordered ID.
if (!jl_is_unionall(t)) return 0;
jl_value_t *u = jl_unwrap_unionall(t);
if (jl_is_datatype(u) && ((jl_datatype_t*)u)->name->wrapper == t)
return ((jl_datatype_t*)u)->name->hash;
return 0;
}
// this function determines whether a type is simple enough to form
// a total order based on UIDs and object_id.
static int is_typekey_ordered(jl_value_t **key, size_t n)
{
size_t i;
for(i=0; i < n; i++) {
jl_value_t *k = key[i];
if (jl_is_typevar(k))
return 0;
if (jl_is_type(k) && k != jl_bottom_type && !wrapper_id(k) &&
!(jl_is_datatype(k) && (((jl_datatype_t*)k)->uid ||
(!jl_has_free_typevars(k) && !contains_unions(k)))))
return 0;
}
return 1;
}
// ordered comparison of types
static int typekey_compare(jl_datatype_t *tt, jl_value_t **key, size_t n) JL_NOTSAFEPOINT
{
size_t j;
if (tt == NULL) return -1; // place NULLs at end to allow padding for fast growing
size_t tnp = jl_nparams(tt);
if (n < tnp) return -1;
if (n > tnp) return 1;
for(j=0; j < n; j++) {
jl_value_t *kj = key[j], *tj = jl_svecref(tt->parameters,j);
if (tj != kj) {
int dtk = jl_is_datatype(kj);
if (!jl_is_datatype(tj)) {
if (dtk) return 1;
uint32_t tid = wrapper_id(tj), kid = wrapper_id(kj);
if (kid != tid)
return kid < tid ? -1 : 1;
if (tid)
continue;
if (jl_egal(tj, kj))
continue;
return (jl_object_id(kj) < jl_object_id(tj) ? -1 : 1);
}
else if (!dtk) {
return -1;
}
assert(dtk && jl_is_datatype(tj));
jl_datatype_t *dt = (jl_datatype_t*)tj;
jl_datatype_t *dk = (jl_datatype_t*)kj;
if (dk->uid != dt->uid) {
return dk->uid < dt->uid ? -1 : 1;
}
else if (dk->uid != 0) {
assert(0);
}
else if (dk->name->hash != dt->name->hash) {
return dk->name->hash < dt->name->hash ? -1 : 1;
}
else {
int cmp = typekey_compare(dt, jl_svec_data(dk->parameters), jl_nparams(dk));
if (cmp != 0)
return cmp;
}
}
}
return 0;
}
static int dt_compare(const void *ap, const void *bp) JL_NOTSAFEPOINT
{
jl_datatype_t *a = *(jl_datatype_t**)ap;
jl_datatype_t *b = *(jl_datatype_t**)bp;
if (a == b) return 0;
if (b == NULL) return -1;
if (a == NULL) return 1;
return typekey_compare(b, jl_svec_data(a->parameters), jl_svec_len(a->parameters));
}
void jl_resort_type_cache(jl_svec_t *c)
{
qsort(jl_svec_data(c), jl_svec_len(c), sizeof(jl_value_t*), dt_compare);
}
static int typekey_eq(jl_datatype_t *tt, jl_value_t **key, size_t n)
{
size_t j;
size_t tnp = jl_nparams(tt);
if (n != tnp) return 0;
if (tt->name == jl_type_typename) {
// for Type{T}, require `typeof(T)` to match also, to avoid incorrect
// dispatch from changing the type of something.
// this should work because `Type`s don't have uids, and aren't the
// direct tags of values so we don't rely on pointer equality.
jl_value_t *kj = key[0], *tj = jl_tparam0(tt);
return (kj == tj || (jl_typeof(tj) == jl_typeof(kj) && jl_types_equal(tj, kj)));
}
for(j=0; j < n; j++) {
jl_value_t *kj = key[j], *tj = jl_svecref(tt->parameters,j);
if (tj != kj) {
// require exact same Type{T}. see e.g. issue #22842
if (jl_is_type_type(tj) || jl_is_type_type(kj))
return 0;
if (!jl_types_equal(tj, kj))
return 0;
}
}
return 1;
}
// look up a type in a cache by binary or linear search.
// if found, returns the index of the found item. if not found, returns
// ~n, where n is the index where the type should be inserted.
static ssize_t lookup_type_idx(jl_typename_t *tn, jl_value_t **key, size_t n, int ordered)
{
if (n==0) return -1;
if (ordered) {
jl_svec_t *cache = tn->cache;
jl_datatype_t **data = (jl_datatype_t**)jl_svec_data(cache);
size_t cl = jl_svec_len(cache);
ssize_t lo = -1;
ssize_t hi = cl;
while (lo < hi-1) {
ssize_t m = ((size_t)(lo+hi))>>1;
int cmp = typekey_compare(data[m], key, n);
if (cmp > 0)
lo = m;
else
hi = m;
}
/*
When a module is replaced, the new versions of its types are different but
cannot be distinguished by typekey_compare, since the TypeNames can only
be distinguished by addresses, which don't have a reliable order. So we
need to allow sequences of typekey_compare-equal types in the ordered cache.
*/
while (hi < cl && typekey_compare(data[hi], key, n) == 0) {
if (typekey_eq(data[hi], key, n))
return hi;
hi++;
}
return ~hi;
}
else {
jl_svec_t *cache = tn->linearcache;
jl_datatype_t **data = (jl_datatype_t**)jl_svec_data(cache);
size_t cl = jl_svec_len(cache);
ssize_t i;
for(i=0; i < cl; i++) {
jl_datatype_t *tt = data[i];
if (tt == NULL) return ~i;
if (typekey_eq(tt, key, n))
return i;
}
return ~cl;
}
}
static jl_value_t *lookup_type(jl_typename_t *tn, jl_value_t **key, size_t n)
{
JL_TIMING(TYPE_CACHE_LOOKUP);
int ord = is_typekey_ordered(key, n);
ssize_t idx = lookup_type_idx(tn, key, n, ord);
jl_value_t *t = (idx < 0) ? NULL : jl_svecref(ord ? tn->cache : tn->linearcache, idx);
return t;
}
static volatile int t_uid_ctr = 1;
int jl_get_t_uid_ctr(void) { return t_uid_ctr; }
void jl_set_t_uid_ctr(int i) { t_uid_ctr=i; }
int jl_assign_type_uid(void)
{
assert(t_uid_ctr != 0);
return jl_atomic_fetch_add(&t_uid_ctr, 1);
}
static int is_cacheable(jl_datatype_t *type)
{
// only cache types whose behavior will not depend on the identities
// of contained TypeVars
assert(jl_is_datatype(type));
jl_svec_t *t = type->parameters;
if (jl_svec_len(t) == 0) return 0;
// cache abstract types with no free type vars
if (jl_is_abstracttype(type))
return !jl_has_free_typevars((jl_value_t*)type);
// ... or concrete types
return jl_is_concrete_type((jl_value_t*)type);
}
static void cache_insert_type(jl_value_t *type, ssize_t insert_at, int ordered)
{
assert(jl_is_datatype(type));
// assign uid if it hasn't been done already
if (!jl_is_abstracttype(type) && ((jl_datatype_t*)type)->uid==0)
((jl_datatype_t*)type)->uid = jl_assign_type_uid();
jl_svec_t *cache;
if (ordered)
cache = ((jl_datatype_t*)type)->name->cache;
else
cache = ((jl_datatype_t*)type)->name->linearcache;
assert(jl_is_svec(cache));
size_t n = jl_svec_len(cache);
if (n==0 || jl_svecref(cache,n-1) != NULL) {
jl_svec_t *nc = jl_alloc_svec(n < 8 ? 8 : (n*3)>>1);
memcpy(jl_svec_data(nc), jl_svec_data(cache), sizeof(void*) * n);
if (ordered)
((jl_datatype_t*)type)->name->cache = nc;
else
((jl_datatype_t*)type)->name->linearcache = nc;
jl_gc_wb(((jl_datatype_t*)type)->name, nc);
cache = nc;
n = jl_svec_len(nc);
}
jl_value_t **p = jl_svec_data(cache);
size_t i = insert_at;
jl_value_t *temp = p[i], *temp2;
jl_svecset(cache, insert_at, (jl_value_t*)type);
assert(i < n-1 || temp == NULL);
while (temp != NULL && i < n-1) {
i++;
temp2 = p[i];
p[i] = temp;
temp = temp2;
}
}
jl_value_t *jl_cache_type_(jl_datatype_t *type)
{
if (is_cacheable(type)) {
JL_TIMING(TYPE_CACHE_INSERT);
int ord = is_typekey_ordered(jl_svec_data(type->parameters), jl_svec_len(type->parameters));
ssize_t idx = lookup_type_idx(type->name, jl_svec_data(type->parameters),
jl_svec_len(type->parameters), ord);
if (idx >= 0)
type = (jl_datatype_t*)jl_svecref(ord ? type->name->cache : type->name->linearcache, idx);
else
cache_insert_type((jl_value_t*)type, ~idx, ord);
}
return (jl_value_t*)type;
}
// type instantiation
static int within_typevar(jl_value_t *t, jl_value_t *vlb, jl_value_t *vub)
{
jl_value_t *lb = t, *ub = t;
if (jl_is_typevar(t) || jl_has_free_typevars(t)) {
// TODO: automatically restrict typevars in method definitions based on
// types they are used in.
return 1;
//lb = ((jl_tvar_t*)t)->lb;
//ub = ((jl_tvar_t*)t)->ub;
}
else if (!jl_is_type(t)) {
return vlb == jl_bottom_type && vub == (jl_value_t*)jl_any_type;
}
return jl_subtype(vlb, lb) && jl_subtype(ub, vub);
}
typedef struct _jl_typestack_t jl_typestack_t;
static jl_value_t *inst_datatype(jl_datatype_t *dt, jl_svec_t *p, jl_value_t **iparams, size_t ntp,
int cacheable, jl_typestack_t *stack);
jl_value_t *jl_apply_type(jl_value_t *tc, jl_value_t **params, size_t n)
{
if (tc == (jl_value_t*)jl_anytuple_type)
return (jl_value_t*)jl_apply_tuple_type_v(params, n);
if (tc == (jl_value_t*)jl_uniontype_type)
return (jl_value_t*)jl_type_union(params, n);
size_t i;
if (n > 1) {
// detect common case of applying a wrapper, where we know that all parameters will
// end up as direct parameters of a certain datatype, which can be optimized.
jl_value_t *u = jl_unwrap_unionall(tc);
if (jl_is_datatype(u) && n == jl_nparams((jl_datatype_t*)u) &&
((jl_datatype_t*)u)->name->wrapper == tc) {
int cacheable = 1;
for(i=0; i < n; i++) {
if (jl_has_free_typevars(params[i])) {
cacheable = 0; break;
}
}
return inst_datatype((jl_datatype_t*)u, NULL, params, n, cacheable, NULL);
}
}
JL_GC_PUSH1(&tc);
jl_value_t *tc0 = tc;
for (i=0; i < n; i++) {
if (!jl_is_unionall(tc0))
jl_error("too many parameters for type");
jl_value_t *pi = params[i];
tc0 = ((jl_unionall_t*)tc0)->body;
// doing a substitution can cause later UnionAlls to be dropped,
// as in `NTuple{0,T} where T` => `Tuple{}`. allow values to be
// substituted for these missing parameters.
// TODO: figure out how to get back a type error for e.g.
// S = Tuple{Vararg{T,N}} where T<:NTuple{N} where N
// S{0,Int}
if (!jl_is_unionall(tc)) continue;
jl_unionall_t *ua = (jl_unionall_t*)tc;
if (!jl_has_free_typevars(ua->var->lb) && !jl_has_free_typevars(ua->var->ub) &&
!within_typevar(pi, ua->var->lb, ua->var->ub)) {
jl_datatype_t *inner = (jl_datatype_t*)jl_unwrap_unionall(tc);
int iswrapper = 0;
if (jl_is_datatype(inner)) {
jl_value_t *temp = inner->name->wrapper;
while (jl_is_unionall(temp)) {
if (temp == tc) {
iswrapper = 1;
break;
}
temp = ((jl_unionall_t*)temp)->body;
}
}
// if this is a wrapper, let check_datatype_parameters give the error
if (!iswrapper)
jl_type_error_rt("Type", jl_symbol_name(ua->var->name), (jl_value_t*)ua->var, pi);
}
tc = jl_instantiate_unionall(ua, pi);
}
JL_GC_POP();
return tc;
}
JL_DLLEXPORT jl_value_t *jl_apply_type1(jl_value_t *tc, jl_value_t *p1)
{
JL_GC_PUSH1(&p1);
jl_value_t *t = jl_apply_type(tc, &p1, 1);
JL_GC_POP();
return t;
}
JL_DLLEXPORT jl_value_t *jl_apply_type2(jl_value_t *tc, jl_value_t *p1, jl_value_t *p2)
{
jl_value_t **args;
JL_GC_PUSHARGS(args, 2);
args[0] = p1; args[1] = p2;
jl_value_t *t = jl_apply_type(tc, args, 2);
JL_GC_POP();
return t;
}
JL_DLLEXPORT jl_value_t *jl_tupletype_fill(size_t n, jl_value_t *v)
{
// TODO: replace with just using NTuple
jl_value_t *p = NULL;
JL_GC_PUSH1(&p);
p = (jl_value_t*)jl_svec_fill(n, v);
p = (jl_value_t*)jl_apply_tuple_type((jl_svec_t*)p);
JL_GC_POP();
return p;
}
JL_EXTENSION typedef struct _jl_typestack_t {
jl_datatype_t *tt;
struct _jl_typestack_t *prev;
} jl_typestack_t;
static jl_value_t *inst_type_w_(jl_value_t *t, jl_typeenv_t *env, jl_typestack_t *stack, int check);
static jl_svec_t *inst_all(jl_svec_t *p, jl_typeenv_t *env, jl_typestack_t *stack, int check);
JL_DLLEXPORT jl_value_t *jl_instantiate_unionall(jl_unionall_t *u, jl_value_t *p)
{
jl_typeenv_t env = { u->var, p, NULL };
return inst_type_w_(u->body, &env, NULL, 1);
}
jl_value_t *jl_substitute_var(jl_value_t *t, jl_tvar_t *var, jl_value_t *val)
{
jl_typeenv_t env = { var, val, NULL };
return inst_type_w_(t, &env, NULL, 1);
}
jl_value_t *jl_unwrap_unionall(jl_value_t *v)
{
while (jl_is_unionall(v))
v = ((jl_unionall_t*)v)->body;
return v;
}
// wrap `t` in the same unionalls that surround `u`
jl_value_t *jl_rewrap_unionall(jl_value_t *t, jl_value_t *u)
{
if (!jl_is_unionall(u))
return t;
JL_GC_PUSH1(&t);
t = jl_rewrap_unionall(t, ((jl_unionall_t*)u)->body);
t = jl_new_struct(jl_unionall_type, ((jl_unionall_t*)u)->var, t);
JL_GC_POP();
return t;
}
static jl_value_t *lookup_type_stack(jl_typestack_t *stack, jl_datatype_t *tt, size_t ntp,
jl_value_t **iparams)
{
// if an identical instantiation is already in process somewhere up the
// stack, return it. this computes a fixed point for recursive types.
jl_typename_t *tn = tt->name;
while (stack != NULL) {
JL_GC_PROMISE_ROOTED(stack->tt);
if (stack->tt->name == tn &&
ntp == jl_svec_len(stack->tt->parameters) &&
typekey_eq(stack->tt, iparams, ntp)) {
return (jl_value_t*)stack->tt;
}
stack = stack->prev;
}
return NULL;
}
void jl_precompute_memoized_dt(jl_datatype_t *dt)
{
int istuple = (dt->name == jl_tuple_typename);
dt->hasfreetypevars = 0;
dt->isconcretetype = !dt->abstract;
dt->isdispatchtuple = istuple;
size_t i, l = jl_nparams(dt);
for (i = 0; i < l; i++) {
jl_value_t *p = jl_tparam(dt, i);
if (!dt->hasfreetypevars)
dt->hasfreetypevars = jl_has_free_typevars(p);
if (istuple && dt->isconcretetype)
dt->isconcretetype = (jl_is_datatype(p) && ((jl_datatype_t*)p)->isconcretetype) || p == jl_bottom_type;
if (dt->isdispatchtuple)
dt->isdispatchtuple = jl_is_datatype(p) &&
((!jl_is_kind(p) && ((jl_datatype_t*)p)->isconcretetype) ||
(((jl_datatype_t*)p)->name == jl_type_typename && !((jl_datatype_t*)p)->hasfreetypevars));
}
if (dt->hasfreetypevars)
dt->isconcretetype = 0;
}
static void check_datatype_parameters(jl_typename_t *tn, jl_value_t **params, size_t np)
{
jl_value_t *wrapper = tn->wrapper;
jl_value_t **bounds;
JL_GC_PUSHARGS(bounds, np*2);
int i = 0;
while (jl_is_unionall(wrapper)) {
jl_tvar_t *tv = ((jl_unionall_t*)wrapper)->var;
bounds[i++] = tv->lb;
bounds[i++] = tv->ub;
wrapper = ((jl_unionall_t*)wrapper)->body;
}
assert(i == np*2);
wrapper = tn->wrapper;
for(i=0; i < np; i++) {
assert(jl_is_unionall(wrapper));
jl_tvar_t *tv = ((jl_unionall_t*)wrapper)->var;
if (!within_typevar(params[i], bounds[2*i], bounds[2*i+1])) {
// TODO: pass a new version of `tv` containing the instantiated bounds
jl_type_error_rt(jl_symbol_name(tn->name), jl_symbol_name(tv->name), (jl_value_t*)tv, params[i]);
}
int j;
for(j=2*i+2; j < 2*np; j++) {
jl_value_t*bj = bounds[j];
if (bj != (jl_value_t*)jl_any_type && bj != jl_bottom_type)
bounds[j] = jl_substitute_var(bj, tv, params[i]);
}
wrapper = ((jl_unionall_t*)wrapper)->body;
}
JL_GC_POP();
}
arraylist_t partial_inst;
int inside_typedef = 0;
static jl_value_t *extract_wrapper(jl_value_t *t)
{
t = jl_unwrap_unionall(t);
if (jl_is_datatype(t))
return ((jl_datatype_t*)t)->name->wrapper;
if (jl_is_uniontype(t)) {
jl_value_t *n1 = extract_wrapper(((jl_uniontype_t*)t)->a);
if (n1 != NULL) return n1;
return extract_wrapper(((jl_uniontype_t*)t)->b);
}
if (jl_is_typevar(t))
return extract_wrapper(((jl_tvar_t*)t)->ub);
return NULL;
}
// convert `Vararg{X, Y} where T` to `Vararg{X where T, Y}` where T doesn't occur free in Y
static jl_value_t *normalize_vararg(jl_value_t *va)
{
assert(jl_is_vararg_type(va));
if (!jl_is_unionall(va)) return va;
jl_value_t *body=NULL;
JL_GC_PUSH2(&va, &body);
jl_unionall_t *ua = (jl_unionall_t*)va;
body = normalize_vararg(ua->body);
jl_value_t *unw = jl_unwrap_unionall(body);
jl_value_t *va0 = jl_tparam0(unw), *va1 = jl_tparam1(unw);
if (jl_has_typevar(va1, ua->var)) {
if (body != ua->body)
va = jl_type_unionall(ua->var, body);
}
else {
va = jl_type_unionall(ua->var, va0);
va = jl_wrap_vararg(va, va1);
va = jl_rewrap_unionall(va, body);
}
JL_GC_POP();
return va;
}
static jl_value_t *inst_datatype_inner(jl_datatype_t *dt, jl_svec_t *p, jl_value_t **iparams, size_t ntp,
int cacheable, jl_typestack_t *stack, jl_typeenv_t *env)
{
jl_typestack_t top;
jl_typename_t *tn = dt->name;
int istuple = (tn == jl_tuple_typename);
int isnamedtuple = (tn == jl_namedtuple_typename);
// check type cache
if (cacheable) {
JL_LOCK(&typecache_lock); // Might GC
size_t i;
for (i = 0; i < ntp; i++) {
jl_value_t *pi = iparams[i];
if (pi == jl_bottom_type)
continue;
if (jl_is_datatype(pi))
continue;
// normalize types equal to wrappers (prepare for wrapper_id)
jl_value_t *tw = extract_wrapper(pi);
if (tw && tw != pi && (tn != jl_type_typename || jl_typeof(pi) == jl_typeof(tw)) &&
jl_types_equal(pi, tw)) {
iparams[i] = tw;
if (p) jl_gc_wb(p, tw);
}
}
jl_value_t *lkup = (jl_value_t*)lookup_type(tn, iparams, ntp);
if (lkup != NULL) {
JL_UNLOCK(&typecache_lock); // Might GC
return lkup;
}
}
jl_value_t *stack_lkup = lookup_type_stack(stack, dt, ntp, iparams);
if (stack_lkup) {
if (cacheable) JL_UNLOCK(&typecache_lock); // Might GC
return stack_lkup;
}
if (!istuple) {
if (jl_is_vararg_type((jl_value_t*)dt) && ntp == 2) {
if (!jl_is_long(iparams[1]) && !jl_is_typevar(iparams[1])) {
jl_type_error_rt("apply_type", "Vararg count", (jl_value_t*)jl_long_type, iparams[1]);
}
}
// check parameters against bounds in type definition
check_datatype_parameters(tn, iparams, ntp);
}
else if (ntp == 0 && jl_emptytuple_type != NULL) {
// empty tuple type case
if (cacheable) JL_UNLOCK(&typecache_lock); // Might GC
return (jl_value_t*)jl_emptytuple_type;
}
jl_datatype_t *ndt = NULL;
jl_value_t *last = iparams[ntp - 1];
JL_GC_PUSH3(&p, &ndt, &last);
int isvatuple = 0;
if (istuple && ntp > 0 && jl_is_vararg_type(last)) {
isvatuple = 1;
// normalize Tuple{..., Vararg{Int, 3}} to Tuple{..., Int, Int, Int}
jl_value_t *va = jl_unwrap_unionall(last);
jl_value_t *va0 = jl_tparam0(va), *va1 = jl_tparam1(va);
// return same `Tuple` object for types equal to it
if (ntp == 1 &&
(last == (jl_value_t*)jl_vararg_type || // Tuple{Vararg} == Tuple
(va0 == (jl_value_t*)jl_any_type &&
jl_is_unionall(last) && va1 == (jl_value_t*)((jl_unionall_t*)last)->var))) {
if (cacheable) JL_UNLOCK(&typecache_lock); // Might GC
JL_GC_POP();
return (jl_value_t*)jl_anytuple_type;
}
int did_normalize = 0;
jl_value_t *last2 = normalize_vararg(last);
if (last2 != last) {
last = last2;
did_normalize = 1;
va = jl_unwrap_unionall(last);
va0 = jl_tparam0(va); va1 = jl_tparam1(va);
}
if (jl_is_long(va1)) {
ssize_t nt = jl_unbox_long(va1);
if (nt < 0)
jl_errorf("apply_type: Vararg length N is negative: %zd", nt);
if (nt == 0 || !jl_has_free_typevars(va0)) {
if (cacheable) JL_UNLOCK(&typecache_lock); // Might GC
if (ntp == 1) {
JL_GC_POP();
return jl_tupletype_fill(nt, va0);
}
size_t i, l;
p = jl_alloc_svec(ntp - 1 + nt);
for (i = 0, l = ntp - 1; i < l; i++)
jl_svecset(p, i, iparams[i]);
l = ntp - 1 + nt;
for (; i < l; i++)
jl_svecset(p, i, va0);
jl_value_t *ndt = (jl_value_t*)jl_apply_tuple_type(p);
JL_GC_POP();
return ndt;
}
}
if (did_normalize) {
p = jl_alloc_svec(ntp);
for (size_t i = 0; i < ntp-1; i++)
jl_svecset(p, i, iparams[i]);
jl_svecset(p, ntp-1, last);
}
}
// move array of instantiated parameters to heap; we need to keep it
if (p == NULL) {
p = jl_alloc_svec_uninit(ntp);
for(size_t i=0; i < ntp; i++)
jl_svecset(p, i, iparams[i]);
}
// create and initialize new type
ndt = jl_new_uninitialized_datatype();
// associate these parameters with the new type on
// the stack, in case one of its field types references it.
top.tt = (jl_datatype_t*)ndt;
top.prev = stack;
stack = ⊤
ndt->name = tn;
jl_gc_wb(ndt, ndt->name);
ndt->super = NULL;
ndt->parameters = p;
jl_gc_wb(ndt, ndt->parameters);
ndt->types = NULL; // to be filled in below
if (istuple) {
ndt->types = p;
}
else if (isnamedtuple) {
jl_value_t *names_tup = jl_svecref(p, 0);
jl_value_t *values_tt = jl_svecref(p, 1);
if (!jl_has_free_typevars(names_tup) && !jl_has_free_typevars(values_tt)) {
if (!jl_is_tuple(names_tup))
jl_type_error_rt("NamedTuple", "names", (jl_value_t*)jl_anytuple_type, names_tup);
size_t nf = jl_nfields(names_tup);
jl_svec_t *names = jl_alloc_svec_uninit(nf);
for (size_t i = 0; i < nf; i++) {
jl_value_t *ni = jl_fieldref(names_tup, i);
if (!jl_is_symbol(ni))
jl_type_error_rt("NamedTuple", "name", (jl_value_t*)jl_symbol_type, ni);
for (size_t j = 0; j < i; j++) {
if (ni == jl_svecref(names, j))
jl_errorf("duplicate field name in NamedTuple: \"%s\" is not unique", jl_symbol_name((jl_sym_t*)ni));
}
jl_svecset(names, i, ni);
}
if (!jl_is_datatype(values_tt))
jl_error("NamedTuple field type must be a tuple type");
if (jl_is_va_tuple((jl_datatype_t*)values_tt) || jl_nparams(values_tt) != nf)
jl_error("NamedTuple names and field types must have matching lengths");
ndt->names = names;
jl_gc_wb(ndt, ndt->names);
ndt->types = ((jl_datatype_t*)values_tt)->parameters;
jl_gc_wb(ndt, ndt->types);
}
else {
ndt->types = jl_emptysvec;
}
}
ndt->mutabl = dt->mutabl;
ndt->abstract = dt->abstract;
ndt->instance = NULL;
ndt->uid = 0;
ndt->struct_decl = NULL;
ndt->ditype = NULL;
ndt->size = 0;
jl_precompute_memoized_dt(ndt);
// assign uid as early as possible
if (cacheable && !ndt->abstract)
ndt->uid = jl_assign_type_uid();
if (istuple || isnamedtuple) {
ndt->super = jl_any_type;
}
else if (dt->super) {
ndt->super = (jl_datatype_t*)inst_type_w_((jl_value_t*)dt->super, env, stack, 1);
jl_gc_wb(ndt, ndt->super);
}
jl_svec_t *ftypes = dt->types;
if (ftypes == NULL || dt->super == NULL) {
// in the process of creating this type definition:
// need to instantiate the super and types fields later
assert(inside_typedef && !istuple && !isnamedtuple);
arraylist_push(&partial_inst, ndt);
}
else {
assert(ftypes != jl_emptysvec || jl_field_names(ndt) == jl_emptysvec || isnamedtuple);
assert(ftypes == jl_emptysvec || !ndt->abstract);
if (!istuple && !isnamedtuple) {
// recursively instantiate the types of the fields
ndt->types = inst_all(ftypes, env, stack, 1);
jl_gc_wb(ndt, ndt->types);
}
}
if (jl_is_primitivetype(dt)) {
ndt->size = dt->size;
ndt->layout = dt->layout;
ndt->isbitstype = ndt->isinlinealloc = (!ndt->hasfreetypevars);
}
else if (cacheable && ndt->types != NULL && !ndt->abstract) {
jl_compute_field_offsets(ndt);
}
if (istuple)
ndt->ninitialized = ntp - isvatuple;
else if (isnamedtuple)
ndt->ninitialized = jl_svec_len(ndt->types);
else
ndt->ninitialized = dt->ninitialized;
if (cacheable) {
jl_cache_type_(ndt);
JL_UNLOCK(&typecache_lock); // Might GC
}
JL_GC_POP();
return (jl_value_t*)ndt;
}
// Build an environment mapping a TypeName's parameters to parameter values.
// This is the environment needed for instantiating a type's supertype and field types.
static jl_value_t *inst_datatype_env(jl_value_t *dt, jl_svec_t *p, jl_value_t **iparams, size_t ntp,
int cacheable, jl_typestack_t *stack, jl_typeenv_t *env, int c)
{
if (jl_is_datatype(dt))
return inst_datatype_inner((jl_datatype_t*)dt, p, iparams, ntp, cacheable, stack, env);
assert(jl_is_unionall(dt));
jl_unionall_t *ua = (jl_unionall_t*)dt;
jl_typeenv_t e = { ua->var, iparams[c], env };
return inst_datatype_env(ua->body, p, iparams, ntp, cacheable, stack, &e, c+1);
}
static jl_value_t *inst_datatype(jl_datatype_t *dt, jl_svec_t *p, jl_value_t **iparams, size_t ntp,
int cacheable, jl_typestack_t *stack)
{
return inst_datatype_env(dt->name->wrapper, p, iparams, ntp, cacheable, stack, NULL, 0);
}
static jl_tupletype_t *jl_apply_tuple_type_v_(jl_value_t **p, size_t np, jl_svec_t *params)
{
int cacheable = 1;
for (size_t i = 0; i < np; i++) {
assert(p[i]);
if (!jl_is_concrete_type(p[i]))
cacheable = 0;
}
jl_datatype_t *ndt = (jl_datatype_t*)inst_datatype(jl_anytuple_type, params, p, np,
cacheable, NULL);
return ndt;
}
JL_DLLEXPORT jl_tupletype_t *jl_apply_tuple_type(jl_svec_t *params)
{
return jl_apply_tuple_type_v_(jl_svec_data(params), jl_svec_len(params), params);
}
JL_DLLEXPORT jl_tupletype_t *jl_apply_tuple_type_v(jl_value_t **p, size_t np)
{
return jl_apply_tuple_type_v_(p, np, NULL);
}
jl_datatype_t *jl_inst_concrete_tupletype(jl_svec_t *p)
{
return (jl_datatype_t*)inst_datatype(jl_anytuple_type, p, jl_svec_data(p), jl_svec_len(p), 1, NULL);
}
jl_datatype_t *jl_inst_concrete_tupletype_v(jl_value_t **p, size_t np)
{
return (jl_datatype_t*)inst_datatype(jl_anytuple_type, NULL, p, np, 1, NULL);
}
static jl_svec_t *inst_all(jl_svec_t *p, jl_typeenv_t *env, jl_typestack_t *stack, int check)
{
size_t i;
size_t lp = jl_svec_len(p);
jl_svec_t *np = jl_alloc_svec(lp);
JL_GC_PUSH1(&np);
for(i=0; i < lp; i++) {
jl_svecset(np, i, (jl_value_t*)inst_type_w_(jl_svecref(p,i), env, stack, check));
}
JL_GC_POP();
return np;
}
static jl_value_t *inst_tuple_w_(jl_value_t *t, jl_typeenv_t *env, jl_typestack_t *stack, int check)
{
jl_datatype_t *tt = (jl_datatype_t*)t;
jl_svec_t *tp = tt->parameters;
size_t ntp = jl_svec_len(tp);
// Instantiate NTuple{3,Int}
// Note this does not instantiate Tuple{Vararg{Int,3}}; that's done in inst_datatype
if (jl_is_va_tuple(tt) && ntp == 1) {
// If this is a Tuple{Vararg{T,N}} with known N, expand it to
// a fixed-length tuple
jl_value_t *T=NULL, *N=NULL;
jl_value_t *va = jl_unwrap_unionall(jl_tparam0(tt));
jl_value_t *ttT = jl_tparam0(va);
jl_value_t *ttN = jl_tparam1(va);
jl_typeenv_t *e = env;
while (e != NULL) {
if ((jl_value_t*)e->var == ttT)
T = e->val;
else if ((jl_value_t*)e->var == ttN)
N = e->val;
e = e->prev;
}
if (T != NULL && N != NULL && jl_is_long(N)) {
ssize_t nt = jl_unbox_long(N);
if (nt < 0)
jl_errorf("size or dimension is negative: %zd", nt);
return (jl_value_t*)jl_tupletype_fill(nt, T);
}
}
jl_value_t **iparams;
int onstack = ntp < jl_page_size/sizeof(jl_value_t*);
JL_GC_PUSHARGS(iparams, onstack ? ntp : 1);
jl_svec_t *ip_heap=NULL;
if (!onstack) {
ip_heap = jl_alloc_svec(ntp);
iparams[0] = (jl_value_t*)ip_heap;
iparams = jl_svec_data(ip_heap);
}
int cacheable = 1;
if (jl_is_va_tuple(tt))
cacheable = 0;
int i;
for (i = 0; i < ntp; i++) {
jl_value_t *elt = jl_svecref(tp, i);
jl_value_t *pi = (jl_value_t*)inst_type_w_(elt, env, stack, 0);
iparams[i] = pi;
if (ip_heap)
jl_gc_wb(ip_heap, pi);
if (cacheable && !jl_is_concrete_type(pi))
cacheable = 0;
}
jl_value_t *result = inst_datatype((jl_datatype_t*)tt, ip_heap, iparams, ntp, cacheable, stack);
JL_GC_POP();
return result;
}
static jl_value_t *inst_type_w_(jl_value_t *t, jl_typeenv_t *env, jl_typestack_t *stack, int check)
{
size_t i;
if (jl_is_typevar(t)) {
jl_typeenv_t *e = env;
while (e != NULL) {
if (e->var == (jl_tvar_t*)t) {
jl_value_t *val = e->val;
// TODO jb/subtype this seems unnecessary
//if (check && !jl_is_typevar(val) && !within_typevar(val, (jl_tvar_t*)t)) {
// jl_type_error_rt("type parameter",
// jl_symbol_name(((jl_tvar_t*)t)->name), t, val);
//}
return val;
}
e = e->prev;
}
return (jl_value_t*)t;
}
if (jl_is_unionall(t)) {
if (!jl_has_free_typevars(t))
return t;
jl_unionall_t *ua = (jl_unionall_t*)t;
jl_value_t *res=NULL, *lb=ua->var->lb, *ub=ua->var->ub;
JL_GC_PUSH3(&lb, &ub, &res);
res = jl_new_struct(jl_unionall_type, ua->var, NULL);
if (jl_has_bound_typevars(ua->var->lb, env))
lb = inst_type_w_(ua->var->lb, env, stack, check);
if (jl_has_bound_typevars(ua->var->ub, env))
ub = inst_type_w_(ua->var->ub, env, stack, check);
if (lb != ua->var->lb || ub != ua->var->ub) {
((jl_unionall_t*)res)->var = jl_new_typevar(ua->var->name, lb, ub);
jl_gc_wb(res, ((jl_unionall_t*)res)->var);
}
jl_typeenv_t newenv = { ua->var, (jl_value_t*)((jl_unionall_t*)res)->var, env };
jl_value_t *newbody = inst_type_w_(ua->body, &newenv, stack, check);
if (newbody == (jl_value_t*)jl_emptytuple_type) {
// NTuple{0} => Tuple{} can make a typevar disappear
res = (jl_value_t*)jl_emptytuple_type;
}
else {
((jl_unionall_t*)res)->body = newbody;
jl_gc_wb(res, newbody);
}
JL_GC_POP();
return res;
}
if (jl_is_uniontype(t)) {
jl_uniontype_t *u = (jl_uniontype_t*)t;
jl_value_t *a = inst_type_w_(u->a, env, stack, check);
jl_value_t *b = NULL;
JL_GC_PUSH2(&a, &b);
b = inst_type_w_(u->b, env, stack, check);
jl_value_t *res;
if (a == u->a && b == u->b) {
res = t;
}
else {
jl_value_t *uargs[2] = {a, b};
res = jl_type_union(uargs, 2);
}
JL_GC_POP();
return res;
}
if (!jl_is_datatype(t))
return t;
jl_datatype_t *tt = (jl_datatype_t*)t;
jl_svec_t *tp = tt->parameters;
if (tp == jl_emptysvec)
return (jl_value_t*)t;
jl_typename_t *tn = tt->name;
if (tn == jl_tuple_typename)
return inst_tuple_w_(t, env, stack, check);
size_t ntp = jl_svec_len(tp);
jl_value_t **iparams;
JL_GC_PUSHARGS(iparams, ntp);
int cacheable = 1, bound = 0;
for(i=0; i < ntp; i++) {
jl_value_t *elt = jl_svecref(tp, i);
iparams[i] = (jl_value_t*)inst_type_w_(elt, env, stack, check);
bound |= (iparams[i] != elt);
if (cacheable && jl_has_free_typevars(iparams[i]))
cacheable = 0;
}
// if t's parameters are not bound in the environment, return it uncopied (#9378)
if (!bound) { JL_GC_POP(); return (jl_value_t*)t; }
jl_value_t *result = inst_datatype((jl_datatype_t*)tt, NULL, iparams, ntp, cacheable, stack);
JL_GC_POP();
return result;
}
jl_value_t *instantiate_with(jl_value_t *t, jl_value_t **env, size_t n, jl_typeenv_t *te, jl_typestack_t *stack)
{
if (n > 0) {
jl_typeenv_t en = { (jl_tvar_t*)env[0], env[1], te };
return instantiate_with(t, &env[2], n-1, &en, stack);
}
return inst_type_w_(t, te, stack, 1);
}
jl_value_t *jl_instantiate_type_with(jl_value_t *t, jl_value_t **env, size_t n)
{
return instantiate_with(t, env, n, NULL, NULL);
}
static jl_value_t *_jl_instantiate_type_in_env(jl_value_t *ty, jl_unionall_t *env, jl_value_t **vals, jl_typeenv_t *prev)
{
jl_typeenv_t en = { env->var, vals[0], prev };
if (jl_is_unionall(env->body))
return _jl_instantiate_type_in_env(ty, (jl_unionall_t*)env->body, vals + 1, &en);
else
return inst_type_w_(ty, &en, NULL, 1);
}
JL_DLLEXPORT jl_value_t *jl_instantiate_type_in_env(jl_value_t *ty, jl_unionall_t *env, jl_value_t **vals)
{
jl_value_t *typ = ty;
if (jl_is_unionall(env)) {
JL_TRY {
typ = _jl_instantiate_type_in_env(ty, env, vals, NULL);
}
JL_CATCH {
typ = jl_bottom_type;
}
}
return typ;
}
jl_datatype_t *jl_wrap_Type(jl_value_t *t)
{
return (jl_datatype_t*)jl_instantiate_unionall(jl_type_type, t);
}
jl_value_t *jl_wrap_vararg(jl_value_t *t, jl_value_t *n)
{
if (t == NULL) {
assert(n == NULL);
return (jl_value_t*)jl_vararg_type;
}
jl_value_t *vt = jl_instantiate_unionall(jl_vararg_type, t);
if (n == NULL)
return vt;
JL_GC_PUSH1(&vt);
jl_value_t *vn = jl_instantiate_unionall((jl_unionall_t*)vt, n);
JL_GC_POP();
return vn;
}
void jl_reinstantiate_inner_types(jl_datatype_t *t) // can throw!
{
inside_typedef = 0;
assert(jl_is_datatype(t));
jl_typestack_t top;
top.tt = t;
top.prev = NULL;
size_t i, j, n = jl_svec_len(t->parameters);
if (n == 0) {
assert(partial_inst.len == 0);
return;
}
jl_value_t **env = (jl_value_t**)alloca(n * 2 * sizeof(void*));
for (i = 0; i < n; i++) {
env[i * 2] = jl_svecref(t->parameters, i);
env[i * 2 + 1] = NULL;
}
for (j = 0; j < partial_inst.len; j++) {
jl_datatype_t *ndt = (jl_datatype_t*)partial_inst.items[j];
assert(jl_unwrap_unionall(ndt->name->wrapper) == (jl_value_t*)t);
for (i = 0; i < n; i++)
env[i * 2 + 1] = jl_svecref(ndt->parameters, i);
ndt->super = (jl_datatype_t*)instantiate_with((jl_value_t*)t->super, env, n, NULL, &top);
jl_gc_wb(ndt, ndt->super);
}
if (t->types != jl_emptysvec) {
for (j = 0; j < partial_inst.len; j++) {
jl_datatype_t *ndt = (jl_datatype_t*)partial_inst.items[j];
for (i = 0; i < n; i++)
env[i * 2 + 1] = jl_svecref(ndt->parameters, i);
int k;
assert(ndt->types == NULL);
ndt->types = jl_alloc_svec(jl_svec_len(t->types));
jl_gc_wb(ndt, ndt->types);
for (k=0; k < jl_svec_len(t->types); k++) {
jl_svecset(ndt->types, k, instantiate_with(jl_svecref(t->types,k), env, n, NULL, &top));
}
if (ndt->uid) { // cacheable
jl_compute_field_offsets(ndt);
}
}
}
else {
assert(jl_field_names(t) == jl_emptysvec);
}
partial_inst.len = 0;
}
void jl_reset_instantiate_inner_types(jl_datatype_t *t)
{
// the declaration of `t` is invalid, forget about all of the WIP
inside_typedef = 0;
partial_inst.len = 0;
}
// initialization -------------------------------------------------------------
static jl_tvar_t *tvar(const char *name)
{
return jl_new_typevar(jl_symbol(name), (jl_value_t*)jl_bottom_type,
(jl_value_t*)jl_any_type);
}
extern void jl_init_int32_int64_cache(void);
void jl_init_types(void) JL_GC_DISABLED
{
jl_module_t *core = NULL; // will need to be assigned later
arraylist_new(&partial_inst, 0);
// create base objects
jl_datatype_type = jl_new_uninitialized_datatype();
jl_set_typeof(jl_datatype_type, jl_datatype_type);
jl_typename_type = jl_new_uninitialized_datatype();
jl_sym_type = jl_new_uninitialized_datatype();
jl_symbol_type = jl_sym_type;
jl_simplevector_type = jl_new_uninitialized_datatype();
jl_methtable_type = jl_new_uninitialized_datatype();
jl_nothing = jl_gc_permobj(0, NULL);
jl_default_cgparams.module_setup = jl_nothing;
jl_default_cgparams.module_activation = jl_nothing;
jl_default_cgparams.raise_exception = jl_nothing;
jl_default_cgparams.emit_function = jl_nothing;
jl_default_cgparams.emitted_function = jl_nothing;
jl_emptysvec = (jl_svec_t*)jl_gc_permobj(sizeof(void*), jl_simplevector_type);
jl_svec_set_len_unsafe(jl_emptysvec, 0);
jl_any_type = (jl_datatype_t*)jl_new_abstracttype((jl_value_t*)jl_symbol("Any"), core, NULL, jl_emptysvec);
jl_any_type->super = jl_any_type;
jl_type_type = (jl_unionall_t*)jl_new_abstracttype((jl_value_t*)jl_symbol("Type"), core, jl_any_type, jl_emptysvec);
jl_type_typename = ((jl_datatype_t*)jl_type_type)->name;
jl_type_type_mt = jl_new_method_table(jl_type_typename->name, core);
jl_type_typename->mt = jl_type_type_mt;
// initialize them. lots of cycles.
jl_datatype_type->name = jl_new_typename_in(jl_symbol("DataType"), core);
jl_datatype_type->name->wrapper = (jl_value_t*)jl_datatype_type;
jl_datatype_type->super = (jl_datatype_t*)jl_type_type;
jl_datatype_type->parameters = jl_emptysvec;
jl_datatype_type->name->names = jl_perm_symsvec(20,
"name",
"super",
"parameters",
"types",
"names",
"instance",
"layout",
"size",
"ninitialized",
"uid",
"abstract",
"mutable",
"hasfreetypevars",
"isconcretetype",
"isdispatchtuple",
"isbitstype",
"zeroinit",
"isinlinealloc",
"llvm::StructType",
"llvm::DIType");
jl_datatype_type->types = jl_svec(20,
jl_typename_type,
jl_datatype_type,
jl_simplevector_type,
jl_simplevector_type, jl_simplevector_type,
jl_any_type, // instance
jl_any_type, jl_any_type, jl_any_type, jl_any_type,
jl_any_type, jl_any_type, jl_any_type, jl_any_type,
jl_any_type, jl_any_type, jl_any_type, jl_any_type,
jl_any_type, jl_any_type);
jl_datatype_type->instance = NULL;
jl_datatype_type->uid = jl_assign_type_uid();
jl_datatype_type->struct_decl = NULL;
jl_datatype_type->ditype = NULL;
jl_datatype_type->abstract = 0;
// NOTE: types should not really be mutable, but the instance and
// struct_decl fields are basically caches, which are mutated.
jl_datatype_type->mutabl = 1;
jl_datatype_type->ninitialized = 4;
jl_precompute_memoized_dt(jl_datatype_type);
jl_typename_type->name = jl_new_typename_in(jl_symbol("TypeName"), core);
jl_typename_type->name->wrapper = (jl_value_t*)jl_typename_type;
jl_typename_type->name->mt = jl_new_method_table(jl_typename_type->name->name, core);
jl_typename_type->super = jl_any_type;
jl_typename_type->parameters = jl_emptysvec;
jl_typename_type->name->names = jl_perm_symsvec(8, "name", "module",
"names", "wrapper",
"cache", "linearcache",
"hash", "mt");
jl_typename_type->types = jl_svec(8, jl_sym_type, jl_any_type, jl_simplevector_type,
jl_type_type, jl_simplevector_type, jl_simplevector_type,
jl_any_type, jl_any_type);
jl_typename_type->uid = jl_assign_type_uid();
jl_typename_type->instance = NULL;
jl_typename_type->struct_decl = NULL;
jl_typename_type->ditype = NULL;
jl_typename_type->abstract = 0;
jl_typename_type->mutabl = 1;
jl_typename_type->ninitialized = 2;
jl_precompute_memoized_dt(jl_typename_type);
jl_methtable_type->name = jl_new_typename_in(jl_symbol("MethodTable"), core);
jl_methtable_type->name->wrapper = (jl_value_t*)jl_methtable_type;
jl_methtable_type->name->mt = jl_new_method_table(jl_methtable_type->name->name, core);
jl_methtable_type->super = jl_any_type;
jl_methtable_type->parameters = jl_emptysvec;
jl_methtable_type->name->names = jl_perm_symsvec(9, "name", "defs",
"cache", "max_args",
"kwsorter", "module",
"backedges", "", "");
jl_methtable_type->types = jl_svec(9, jl_sym_type, jl_any_type, jl_any_type, jl_any_type/*jl_long*/,
jl_any_type, jl_any_type/*module*/,
jl_any_type/*any vector*/, jl_any_type/*long*/, jl_any_type/*int32*/);
jl_methtable_type->uid = jl_assign_type_uid();
jl_methtable_type->instance = NULL;
jl_methtable_type->struct_decl = NULL;
jl_methtable_type->ditype = NULL;
jl_methtable_type->abstract = 0;
jl_methtable_type->mutabl = 1;
jl_methtable_type->ninitialized = 4;
jl_precompute_memoized_dt(jl_methtable_type);
jl_sym_type->name = jl_new_typename_in(jl_symbol("Symbol"), core);
jl_sym_type->name->wrapper = (jl_value_t*)jl_sym_type;
jl_sym_type->name->mt = jl_new_method_table(jl_sym_type->name->name, core);
jl_sym_type->super = jl_any_type;
jl_sym_type->parameters = jl_emptysvec;
jl_sym_type->name->names = jl_emptysvec;
jl_sym_type->types = jl_emptysvec;
jl_sym_type->instance = NULL;
jl_sym_type->uid = jl_assign_type_uid();
jl_sym_type->struct_decl = NULL;
jl_sym_type->ditype = NULL;
jl_sym_type->size = 0;
jl_sym_type->abstract = 0;
jl_sym_type->mutabl = 1;
jl_sym_type->ninitialized = 0;
jl_precompute_memoized_dt(jl_sym_type);
jl_simplevector_type->name = jl_new_typename_in(jl_symbol("SimpleVector"), core);
jl_simplevector_type->name->wrapper = (jl_value_t*)jl_simplevector_type;
jl_simplevector_type->name->mt = jl_new_method_table(jl_simplevector_type->name->name, core);
jl_simplevector_type->super = jl_any_type;
jl_simplevector_type->parameters = jl_emptysvec;
jl_simplevector_type->name->names = jl_emptysvec;
jl_simplevector_type->types = jl_emptysvec;
jl_simplevector_type->uid = jl_assign_type_uid();
jl_simplevector_type->instance = NULL;
jl_simplevector_type->struct_decl = NULL;
jl_simplevector_type->ditype = NULL;
jl_simplevector_type->abstract = 0;
jl_simplevector_type->mutabl = 1;
jl_simplevector_type->ninitialized = 0;
jl_precompute_memoized_dt(jl_simplevector_type);
// now they can be used to create the remaining base kinds and types
jl_void_type = jl_new_datatype(jl_symbol("Nothing"), core, jl_any_type, jl_emptysvec,
jl_emptysvec, jl_emptysvec, 0, 0, 0);
jl_astaggedvalue(jl_nothing)->header = ((uintptr_t)jl_void_type) | GC_OLD_MARKED;
jl_void_type->instance = jl_nothing;
jl_datatype_t *type_type = (jl_datatype_t*)jl_type_type;
jl_typeofbottom_type = jl_new_datatype(jl_symbol("TypeofBottom"), core, type_type, jl_emptysvec,
jl_emptysvec, jl_emptysvec, 0, 0, 0);
jl_bottom_type = jl_new_struct(jl_typeofbottom_type);
jl_typeofbottom_type->instance = jl_bottom_type;
jl_uniontype_type = jl_new_datatype(jl_symbol("Union"), core, type_type, jl_emptysvec,
jl_perm_symsvec(2, "a", "b"),
jl_svec(2, jl_any_type, jl_any_type),
0, 0, 2);
jl_tvar_type = jl_new_datatype(jl_symbol("TypeVar"), core, jl_any_type, jl_emptysvec,
jl_perm_symsvec(3, "name", "lb", "ub"),
jl_svec(3, jl_sym_type, jl_any_type, jl_any_type),
0, 1, 3);
jl_unionall_type = jl_new_datatype(jl_symbol("UnionAll"), core, type_type, jl_emptysvec,
jl_perm_symsvec(2, "var", "body"),
jl_svec(2, jl_tvar_type, jl_any_type),
0, 0, 2);
jl_svec_t *tv;
tv = jl_svec2(tvar("T"),tvar("N"));
jl_vararg_type = (jl_unionall_t*)jl_new_abstracttype((jl_value_t*)jl_symbol("Vararg"), core, jl_any_type, tv)->name->wrapper;
jl_vararg_typename = ((jl_datatype_t*)jl_unwrap_unionall((jl_value_t*)jl_vararg_type))->name;
jl_anytuple_type = jl_new_datatype(jl_symbol("Tuple"), core, jl_any_type, jl_emptysvec,
jl_emptysvec, jl_emptysvec, 0, 0, 0);
jl_tuple_typename = jl_anytuple_type->name;
jl_anytuple_type->uid = 0;
jl_anytuple_type->parameters = jl_svec(1, jl_wrap_vararg((jl_value_t*)jl_any_type, (jl_value_t*)NULL));
jl_anytuple_type->types = jl_anytuple_type->parameters;
jl_anytuple_type->layout = NULL;
jl_anytuple_type->instance = NULL;
jl_anytuple_type->hasfreetypevars = 0;
jl_anytuple_type->isconcretetype = 0;
jl_anytuple_type->isdispatchtuple = 0;
jl_anytuple_type->isbitstype = 0;
jl_anytuple_type->isinlinealloc = 0;
jl_tvar_t *tttvar = tvar("T");
((jl_datatype_t*)jl_type_type)->parameters = jl_svec(1, tttvar);
((jl_datatype_t*)jl_type_type)->hasfreetypevars = 1;
jl_type_typename->wrapper = jl_new_struct(jl_unionall_type, tttvar, (jl_value_t*)jl_type_type);
jl_type_type = (jl_unionall_t*)jl_type_typename->wrapper;
jl_typeofbottom_type->super = jl_wrap_Type(jl_bottom_type);
jl_emptytuple_type = jl_apply_tuple_type(jl_emptysvec);
jl_emptytuple_type->uid = jl_assign_type_uid();
jl_emptytuple = jl_gc_permobj(0, jl_emptytuple_type);
jl_emptytuple_type->instance = jl_emptytuple;
// non-primitive definitions follow
jl_int32_type = jl_new_primitivetype((jl_value_t*)jl_symbol("Int32"), core,
jl_any_type, jl_emptysvec, 32);
jl_int64_type = jl_new_primitivetype((jl_value_t*)jl_symbol("Int64"), core,
jl_any_type, jl_emptysvec, 64);
jl_uint32_type = jl_new_primitivetype((jl_value_t*)jl_symbol("UInt32"), core,
jl_any_type, jl_emptysvec, 32);
jl_uint64_type = jl_new_primitivetype((jl_value_t*)jl_symbol("UInt64"), core,
jl_any_type, jl_emptysvec, 64);
jl_uint8_type = jl_new_primitivetype((jl_value_t*)jl_symbol("UInt8"), core,
jl_any_type, jl_emptysvec, 8);
jl_ssavalue_type = jl_new_datatype(jl_symbol("SSAValue"), core, jl_any_type, jl_emptysvec,
jl_perm_symsvec(1, "id"),
jl_svec1(jl_long_type), 0, 0, 1);
jl_abstractslot_type = jl_new_abstracttype((jl_value_t*)jl_symbol("Slot"), core, jl_any_type,
jl_emptysvec);
jl_slotnumber_type = jl_new_datatype(jl_symbol("SlotNumber"), core, jl_abstractslot_type, jl_emptysvec,
jl_perm_symsvec(1, "id"),
jl_svec1(jl_long_type), 0, 0, 1);
jl_typedslot_type = jl_new_datatype(jl_symbol("TypedSlot"), core, jl_abstractslot_type, jl_emptysvec,
jl_perm_symsvec(2, "id", "typ"),
jl_svec(2, jl_long_type, jl_any_type), 0, 0, 2);
jl_init_int32_int64_cache();
jl_bool_type = NULL;
jl_bool_type = jl_new_primitivetype((jl_value_t*)jl_symbol("Bool"), core,
jl_any_type, jl_emptysvec, 8);
jl_false = jl_permbox8(jl_bool_type, 0);
jl_true = jl_permbox8(jl_bool_type, 1);
jl_typemap_level_type =
jl_new_datatype(jl_symbol("TypeMapLevel"), core, jl_any_type, jl_emptysvec,
jl_perm_symsvec(7,
"index_arg1",
"arg1",
"index_targ",
"targ",
"list",
"any",
"key"),
jl_svec(7,
jl_any_type,
jl_any_type,
jl_any_type,
jl_any_type,
jl_any_type,
jl_any_type,
jl_any_type),
0, 1, 6);
jl_typemap_entry_type =
jl_new_datatype(jl_symbol("TypeMapEntry"), core, jl_any_type, jl_emptysvec,
jl_perm_symsvec(10,
"next",
"sig",
"simplesig",
"guardsigs",
"min_world",
"max_world",
"func",
"isleafsig",
"issimplesig",
"va"),
jl_svec(10,
jl_any_type, // Union{TypeMapEntry, Nothing}
jl_type_type, // TupleType
jl_any_type, // TupleType
jl_any_type, // SimpleVector{TupleType}
jl_long_type, // Int
jl_long_type, // Int
jl_any_type, // Any
jl_bool_type,
jl_bool_type,
jl_bool_type),
0, 1, 4);
jl_function_type = jl_new_abstracttype((jl_value_t*)jl_symbol("Function"), core, jl_any_type, jl_emptysvec);
jl_builtin_type = jl_new_abstracttype((jl_value_t*)jl_symbol("Builtin"), core, jl_function_type, jl_emptysvec);
tv = jl_svec2(tvar("T"), tvar("N"));
jl_abstractarray_type = (jl_unionall_t*)
jl_new_abstracttype((jl_value_t*)jl_symbol("AbstractArray"), core,
jl_any_type, tv)->name->wrapper;
tv = jl_svec2(tvar("T"), tvar("N"));
jl_densearray_type = (jl_unionall_t*)
jl_new_abstracttype((jl_value_t*)jl_symbol("DenseArray"), core,
(jl_datatype_t*)jl_apply_type((jl_value_t*)jl_abstractarray_type, jl_svec_data(tv), 2),
tv)->name->wrapper;
tv = jl_svec2(tvar("T"), tvar("N"));
jl_array_type = (jl_unionall_t*)
jl_new_datatype(jl_symbol("Array"), core,
(jl_datatype_t*)
jl_apply_type((jl_value_t*)jl_densearray_type, jl_svec_data(tv), 2),
tv,
jl_emptysvec, jl_emptysvec, 0, 1, 0)->name->wrapper;
jl_array_typename = ((jl_datatype_t*)jl_unwrap_unionall((jl_value_t*)jl_array_type))->name;
jl_compute_field_offsets((jl_datatype_t*)jl_unwrap_unionall((jl_value_t*)jl_array_type));
jl_array_any_type = jl_apply_type2((jl_value_t*)jl_array_type, (jl_value_t*)jl_any_type, jl_box_long(1));
jl_array_symbol_type = jl_apply_type2((jl_value_t*)jl_array_type, (jl_value_t*)jl_sym_type, jl_box_long(1));
jl_array_uint8_type = jl_apply_type2((jl_value_t*)jl_array_type, (jl_value_t*)jl_uint8_type, jl_box_long(1));
jl_array_int32_type = jl_apply_type2((jl_value_t*)jl_array_type, (jl_value_t*)jl_int32_type, jl_box_long(1));
jl_expr_type =
jl_new_datatype(jl_symbol("Expr"), core,
jl_any_type, jl_emptysvec,
jl_perm_symsvec(2, "head", "args"),
jl_svec(2, jl_sym_type, jl_array_any_type),
0, 1, 2);
jl_module_type =
jl_new_datatype(jl_symbol("Module"), core, jl_any_type, jl_emptysvec,
jl_perm_symsvec(2, "name", "parent"),
jl_svec(2, jl_sym_type, jl_any_type), 0, 1, 2);
jl_linenumbernode_type =
jl_new_datatype(jl_symbol("LineNumberNode"), core, jl_any_type, jl_emptysvec,
jl_perm_symsvec(2, "line", "file"),
jl_svec(2, jl_long_type, jl_any_type), 0, 0, 2);
jl_lineinfonode_type =
jl_new_datatype(jl_symbol("LineInfoNode"), core, jl_any_type, jl_emptysvec,
jl_perm_symsvec(5, "mod", "method", "file", "line", "inlined_at"),
jl_svec(5, jl_module_type, jl_sym_type, jl_sym_type, jl_long_type, jl_long_type), 0, 0, 5);
jl_gotonode_type =
jl_new_datatype(jl_symbol("GotoNode"), core, jl_any_type, jl_emptysvec,
jl_perm_symsvec(1, "label"),
jl_svec(1, jl_long_type), 0, 0, 1);
jl_pinode_type =
jl_new_datatype(jl_symbol("PiNode"), core, jl_any_type, jl_emptysvec,
jl_perm_symsvec(2, "val", "typ"),
jl_svec(2, jl_any_type, jl_any_type), 0, 0, 2);
jl_phinode_type =
jl_new_datatype(jl_symbol("PhiNode"), core, jl_any_type, jl_emptysvec,
jl_perm_symsvec(2, "edges", "values"),
jl_svec(2, jl_array_any_type, jl_array_any_type), 0, 0, 2);
jl_phicnode_type =
jl_new_datatype(jl_symbol("PhiCNode"), core, jl_any_type, jl_emptysvec,
jl_perm_symsvec(1, "values"),
jl_svec(1, jl_array_any_type), 0, 0, 1);
jl_upsilonnode_type =
jl_new_datatype(jl_symbol("UpsilonNode"), core, jl_any_type, jl_emptysvec,
jl_perm_symsvec(1, "val"),
jl_svec(1, jl_any_type), 0, 0, 0);
jl_quotenode_type =
jl_new_datatype(jl_symbol("QuoteNode"), core, jl_any_type, jl_emptysvec,
jl_perm_symsvec(1, "value"),
jl_svec(1, jl_any_type), 0, 0, 1);
jl_newvarnode_type =
jl_new_datatype(jl_symbol("NewvarNode"), core, jl_any_type, jl_emptysvec,
jl_perm_symsvec(1, "slot"),
jl_svec(1, jl_slotnumber_type), 0, 0, 1);
jl_globalref_type =
jl_new_datatype(jl_symbol("GlobalRef"), core, jl_any_type, jl_emptysvec,
jl_perm_symsvec(2, "mod", "name"),
jl_svec(2, jl_module_type, jl_sym_type), 0, 0, 2);
jl_code_info_type =
jl_new_datatype(jl_symbol("CodeInfo"), core,
jl_any_type, jl_emptysvec,
jl_perm_symsvec(12,
"code",
"codelocs",
"method_for_inference_limit_heuristics",
"ssavaluetypes",
"linetable",
"ssaflags",
"slotflags",
"slotnames",
"inferred",
"inlineable",
"propagate_inbounds",
"pure"),
jl_svec(12,
jl_array_any_type,
jl_any_type,
jl_any_type,
jl_any_type,
jl_any_type,
jl_array_uint8_type,
jl_array_uint8_type,
// Note: The following fields have special serialization.
// If you change them, you'll have to adjust the
// serializer
jl_array_any_type,
jl_bool_type,
jl_bool_type,
jl_bool_type,
jl_bool_type),
0, 1, 12);
jl_method_type =
jl_new_datatype(jl_symbol("Method"), core,
jl_any_type, jl_emptysvec,
jl_perm_symsvec(20,
"name",
"module",
"file",
"line",
"sig",
"min_world",
"max_world",
"ambig",
"specializations",
"sparam_syms",
"source",
"unspecialized",
"generator",
"roots",
"invokes",
"nargs",
"called",
"nospecialize",
"isva",
"pure"),
jl_svec(20,
jl_sym_type,
jl_module_type,
jl_sym_type,
jl_int32_type,
jl_type_type,
jl_long_type,
jl_long_type,
jl_any_type, // Union{Array, Nothing}
jl_any_type, // TypeMap
jl_simplevector_type,
jl_any_type,
jl_any_type, // jl_method_instance_type
jl_any_type,
jl_array_any_type,
jl_any_type,
jl_int32_type,
jl_int32_type,
jl_int32_type,
jl_bool_type,
jl_bool_type),
0, 1, 10);
jl_method_instance_type =
jl_new_datatype(jl_symbol("MethodInstance"), core,
jl_any_type, jl_emptysvec,
jl_perm_symsvec(15,
"def",
"specTypes",
"rettype",
"sparam_vals",
"backedges",
"inferred",
"inferred_const",
"min_world",
"max_world",
"inInference",
"",
"invoke",
"specptr",
"", ""),
jl_svec(15,
jl_new_struct(jl_uniontype_type, jl_method_type, jl_module_type),
jl_any_type,
jl_any_type,
jl_simplevector_type,
jl_any_type,
jl_any_type,
jl_any_type,
jl_long_type,
jl_long_type,
jl_bool_type,
jl_bool_type,
jl_any_type, // void*
jl_any_type, // void*
jl_any_type, jl_any_type), // void*, void*
0, 1, 4);
// all kinds of types share a method table
jl_unionall_type->name->mt = jl_uniontype_type->name->mt = jl_datatype_type->name->mt =
jl_type_typename->mt;
jl_intrinsic_type = jl_new_primitivetype((jl_value_t*)jl_symbol("IntrinsicFunction"), core,
jl_builtin_type, jl_emptysvec, 32);
tv = jl_svec1(tvar("T"));
jl_ref_type = (jl_unionall_t*)
jl_new_abstracttype((jl_value_t*)jl_symbol("Ref"), core, jl_any_type, tv)->name->wrapper;
tv = jl_svec1(tvar("T"));
jl_pointer_type = (jl_unionall_t*)
jl_new_primitivetype((jl_value_t*)jl_symbol("Ptr"), core,
(jl_datatype_t*)jl_apply_type((jl_value_t*)jl_ref_type, jl_svec_data(tv), 1), tv,
sizeof(void*)*8)->name->wrapper;
jl_pointer_typename = ((jl_datatype_t*)jl_unwrap_unionall((jl_value_t*)jl_pointer_type))->name;
// Type{T} where T<:Tuple
tttvar = jl_new_typevar(jl_symbol("T"),
(jl_value_t*)jl_bottom_type,
(jl_value_t*)jl_anytuple_type);
jl_anytuple_type_type = (jl_unionall_t*)jl_new_struct(jl_unionall_type,
tttvar, (jl_value_t*)jl_wrap_Type((jl_value_t*)tttvar));
// Type{T}
jl_tvar_t *typetype_tvar = tvar("T");
jl_typetype_type =
(jl_unionall_t*)jl_new_struct(jl_unionall_type, typetype_tvar,
jl_apply_type1((jl_value_t*)jl_type_type, (jl_value_t*)typetype_tvar));
jl_abstractstring_type = jl_new_abstracttype((jl_value_t*)jl_symbol("AbstractString"), core, jl_any_type, jl_emptysvec);
jl_string_type = jl_new_datatype(jl_symbol("String"), core, jl_abstractstring_type, jl_emptysvec,
jl_emptysvec, jl_emptysvec, 0, 1, 0);
jl_string_type->instance = NULL;
jl_compute_field_offsets(jl_string_type);
jl_tvar_t *ntval_var = jl_new_typevar(jl_symbol("T"), (jl_value_t*)jl_bottom_type,
(jl_value_t*)jl_anytuple_type);
tv = jl_svec2(tvar("names"), ntval_var);
jl_datatype_t *ntt = jl_new_datatype(jl_symbol("NamedTuple"), core, jl_any_type, tv,
jl_emptysvec, jl_emptysvec, 0, 0, 0);
jl_namedtuple_type = (jl_unionall_t*)ntt->name->wrapper;
((jl_datatype_t*)jl_unwrap_unionall((jl_value_t*)jl_namedtuple_type))->layout = NULL;
jl_namedtuple_typename = ntt->name;
// complete builtin type metadata
jl_value_t *pointer_void = jl_apply_type1((jl_value_t*)jl_pointer_type, (jl_value_t*)jl_void_type);
jl_voidpointer_type = (jl_datatype_t*)pointer_void;
jl_svecset(jl_datatype_type->types, 6, jl_voidpointer_type);
jl_svecset(jl_datatype_type->types, 7, jl_int32_type);
jl_svecset(jl_datatype_type->types, 8, jl_int32_type);
jl_svecset(jl_datatype_type->types, 9, jl_int32_type);
jl_svecset(jl_datatype_type->types, 10, jl_bool_type);
jl_svecset(jl_datatype_type->types, 11, jl_bool_type);
jl_svecset(jl_datatype_type->types, 12, jl_bool_type);
jl_svecset(jl_datatype_type->types, 13, jl_bool_type);
jl_svecset(jl_datatype_type->types, 14, jl_bool_type);
jl_svecset(jl_datatype_type->types, 15, jl_bool_type);
jl_svecset(jl_datatype_type->types, 16, jl_bool_type);
jl_svecset(jl_datatype_type->types, 17, jl_bool_type);
jl_svecset(jl_datatype_type->types, 18, jl_voidpointer_type);
jl_svecset(jl_datatype_type->types, 19, jl_voidpointer_type);
jl_svecset(jl_typename_type->types, 1, jl_module_type);
jl_svecset(jl_typename_type->types, 6, jl_long_type);
jl_svecset(jl_typename_type->types, 3, jl_type_type);
jl_svecset(jl_methtable_type->types, 3, jl_long_type);
jl_svecset(jl_methtable_type->types, 5, jl_module_type);
jl_svecset(jl_methtable_type->types, 6, jl_array_any_type);
#ifdef __LP64__
jl_svecset(jl_methtable_type->types, 7, jl_int64_type); // unsigned long
#else
jl_svecset(jl_methtable_type->types, 7, jl_int32_type); // DWORD
#endif
jl_svecset(jl_methtable_type->types, 8, jl_int32_type); // uint32_t
jl_svecset(jl_method_type->types, 11, jl_method_instance_type);
jl_svecset(jl_method_instance_type->types, 11, jl_voidpointer_type);
jl_svecset(jl_method_instance_type->types, 12, jl_voidpointer_type);
jl_svecset(jl_method_instance_type->types, 13, jl_voidpointer_type);
jl_svecset(jl_method_instance_type->types, 14, jl_voidpointer_type);
jl_compute_field_offsets(jl_datatype_type);
jl_compute_field_offsets(jl_typename_type);
jl_compute_field_offsets(jl_uniontype_type);
jl_compute_field_offsets(jl_tvar_type);
jl_compute_field_offsets(jl_methtable_type);
jl_compute_field_offsets(jl_expr_type);
jl_compute_field_offsets(jl_linenumbernode_type);
jl_compute_field_offsets(jl_lineinfonode_type);
jl_compute_field_offsets(jl_gotonode_type);
jl_compute_field_offsets(jl_quotenode_type);
jl_compute_field_offsets(jl_pinode_type);
jl_compute_field_offsets(jl_phinode_type);
jl_compute_field_offsets(jl_module_type);
jl_compute_field_offsets(jl_method_instance_type);
jl_compute_field_offsets(jl_unionall_type);
jl_compute_field_offsets(jl_simplevector_type);
jl_compute_field_offsets(jl_sym_type);
}
#ifdef __cplusplus
}
#endif
