static jl_sym_t *mk_symbol(const char *str, size_t len)
{
#ifndef MEMDEBUG
static char *sym_pool = NULL;
static char *pool_ptr = NULL;
#endif
jl_sym_t *sym;
size_t nb = symbol_nbytes(len);
if (nb >= SYM_POOL_SIZE) {
jl_exceptionf(jl_argumenterror_type, "Symbol length exceeds maximum length");
}
#ifdef MEMDEBUG
sym = (jl_sym_t*)jl_valueof(malloc(nb));
#else
if (sym_pool == NULL || pool_ptr+nb > sym_pool+SYM_POOL_SIZE) {
sym_pool = (char*)malloc(SYM_POOL_SIZE);
pool_ptr = sym_pool;
}
sym = (jl_sym_t*)jl_valueof(pool_ptr);
pool_ptr += nb;
#endif
jl_set_typeof(sym, jl_sym_type);
sym->left = sym->right = NULL;
sym->hash = hash_symbol(str, len);
memcpy(jl_symbol_name(sym), str, len);
jl_symbol_name(sym)[len] = 0;
return sym;
}
static jl_sym_t *mk_symbol(const char *str)
{
#ifndef MEMDEBUG
static char *sym_pool = NULL;
static char *pool_ptr = NULL;
#endif
jl_sym_t *sym;
size_t len = strlen(str);
size_t nb = (sizeof(jl_taggedvalue_t)+sizeof(jl_sym_t)+len+1+7)&-8;
if (nb >= SYM_POOL_SIZE) {
jl_exceptionf(jl_argumenterror_type, "Symbol length exceeds maximum length");
}
#ifdef MEMDEBUG
sym = (jl_sym_t*)&((jl_taggedvalue_t*)malloc(nb))->value;
#else
if (sym_pool == NULL || pool_ptr+nb > sym_pool+SYM_POOL_SIZE) {
sym_pool = (char*)malloc(SYM_POOL_SIZE);
pool_ptr = sym_pool;
}
sym = (jl_sym_t*)&((jl_taggedvalue_t*)pool_ptr)->value;
pool_ptr += nb;
#endif
jl_set_typeof(sym, jl_sym_type);
sym->left = sym->right = NULL;
sym->hash = hash_symbol(str, len);
strcpy(&sym->name[0], str);
return sym;
}
static void unmark_symbols_(jl_sym_t *root)
{
while (root != NULL) {
jl_set_typeof(root, jl_sym_type);
unmark_symbols_(root->left);
root = root->right;
}
}
DLLEXPORT jl_function_t *jl_new_closure(jl_fptr_t fptr, jl_value_t *env,
jl_lambda_info_t *linfo)
{
jl_function_t *f = (jl_function_t*)alloc_3w(); assert(NWORDS(sizeof(jl_function_t))==3);
jl_set_typeof(f, jl_function_type);
f->fptr = (fptr!=NULL ? fptr : linfo->fptr);
f->env = env;
f->linfo = linfo;
return f;
}
static jl_typemap_level_t *jl_new_typemap_level(void)
{
jl_typemap_level_t *cache = (jl_typemap_level_t*)jl_gc_allocobj(sizeof(jl_typemap_level_t));
jl_set_typeof(cache, jl_typemap_level_type);
cache->key = NULL;
cache->linear = (jl_typemap_entry_t*)jl_nothing;
cache->arg1 = (jl_array_t*)jl_nothing;
cache->targ = (jl_array_t*)jl_nothing;
return cache;
}
static int true_main(int argc, char *argv[])
{
if (jl_base_module != NULL) {
jl_array_t *args = (jl_array_t*)jl_get_global(jl_base_module, jl_symbol("ARGS"));
if (args == NULL) {
args = jl_alloc_cell_1d(0);
jl_set_const(jl_base_module, jl_symbol("ARGS"), (jl_value_t*)args);
}
assert(jl_array_len(args) == 0);
jl_array_grow_end(args, argc);
int i;
for (i=0; i < argc; i++) {
jl_value_t *s = (jl_value_t*)jl_cstr_to_string(argv[i]);
jl_set_typeof(s,jl_utf8_string_type);
jl_arrayset(args, s, i);
}
}
// run program if specified, otherwise enter REPL
if (program) {
int ret = exec_program();
uv_tty_reset_mode();
return ret;
}
jl_function_t *start_client =
(jl_function_t*)jl_get_global(jl_base_module, jl_symbol("_start"));
if (start_client) {
jl_apply(start_client, NULL, 0);
return 0;
}
int iserr = 0;
again:
;
JL_TRY {
if (iserr) {
//jl_show(jl_exception_in_transit);# What if the error was in show?
jl_printf(JL_STDERR, "\n\n");
iserr = 0;
}
uv_run(jl_global_event_loop(),UV_RUN_DEFAULT);
}
JL_CATCH {
iserr = 1;
jl_printf(JL_STDERR, "error during run:\n");
jl_show(jl_stderr_obj(),jl_exception_in_transit);
jl_printf(JL_STDERR, "\n");
jlbacktrace();
goto again;
}
return iserr;
}
jl_value_t *jl_array_to_string(jl_array_t *a)
{
if (!jl_typeis(a, jl_array_uint8_type))
jl_type_error("jl_array_to_string", (jl_value_t*)jl_array_uint8_type, (jl_value_t*)a);
jl_datatype_t *string_type = u8_isvalid((char*)a->data, jl_array_len(a)) == 1 ? // ASCII
jl_ascii_string_type : jl_utf8_string_type;
jl_value_t *s = (jl_value_t*)jl_gc_alloc_1w();
jl_set_typeof(s, string_type);
jl_set_nth_field(s, 0, (jl_value_t*)a);
return s;
}
jl_expr_t *jl_exprn(jl_sym_t *head, size_t n)
{
jl_array_t *ar = n==0 ? (jl_array_t*)jl_an_empty_vec_any : jl_alloc_vec_any(n);
JL_GC_PUSH1(&ar);
jl_expr_t *ex = (jl_expr_t*)jl_gc_alloc_3w(); assert(NWORDS(sizeof(jl_expr_t))==3);
jl_set_typeof(ex, jl_expr_type);
ex->head = head;
ex->args = ar;
ex->etype = (jl_value_t*)jl_any_type;
JL_GC_POP();
return ex;
}
JL_DLLEXPORT jl_methtable_t *jl_new_method_table(jl_sym_t *name, jl_module_t *module)
{
jl_methtable_t *mt = (jl_methtable_t*)jl_gc_allocobj(sizeof(jl_methtable_t));
jl_set_typeof(mt, jl_methtable_type);
mt->name = jl_demangle_typename(name);
mt->module = module;
mt->defs.unknown = jl_nothing;
mt->cache.unknown = jl_nothing;
mt->max_args = 0;
mt->kwsorter = NULL;
#ifdef JL_GF_PROFILE
mt->ncalls = 0;
#endif
return mt;
}
// own_buffer != 0 iff GC should call free() on this pointer eventually
jl_array_t *jl_ptr_to_array_1d(jl_value_t *atype, void *data, size_t nel,
int own_buffer)
{
size_t elsz;
jl_array_t *a;
jl_value_t *el_type = jl_tparam0(atype);
int isunboxed = store_unboxed(el_type);
if (isunboxed)
elsz = jl_datatype_size(el_type);
else
elsz = sizeof(void*);
int ndimwords = jl_array_ndimwords(1);
int tsz = JL_ARRAY_ALIGN(sizeof(jl_array_t) + ndimwords*sizeof(size_t), 16);
a = (jl_array_t*)jl_gc_allocobj(tsz);
jl_set_typeof(a, atype);
a->pooled = tsz <= GC_MAX_SZCLASS;
a->data = data;
#ifdef STORE_ARRAY_LEN
a->length = nel;
#endif
a->elsize = elsz;
a->ptrarray = !isunboxed;
a->ndims = 1;
a->isshared = 1;
a->isaligned = 0; // TODO: allow passing memalign'd buffers
if (own_buffer) {
a->how = 2;
jl_gc_track_malloced_array(a);
jl_gc_count_allocd(nel*elsz + (elsz == 1 ? 1 : 0));
}
else {
a->how = 0;
}
a->nrows = nel;
a->maxsize = nel;
a->offset = 0;
return a;
}
JL_DLLEXPORT jl_module_t *jl_new_module(jl_sym_t *name)
{
jl_module_t *m = (jl_module_t*)jl_gc_allocobj(sizeof(jl_module_t));
jl_set_typeof(m, jl_module_type);
JL_GC_PUSH1(&m);
assert(jl_is_symbol(name));
m->name = name;
m->parent = NULL;
m->istopmod = 0;
m->uuid = uv_now(uv_default_loop());
m->counter = 0;
htable_new(&m->bindings, 0);
arraylist_new(&m->usings, 0);
if (jl_core_module) {
jl_module_using(m, jl_core_module);
}
// export own name, so "using Foo" makes "Foo" itself visible
jl_set_const(m, name, (jl_value_t*)m);
jl_module_export(m, name);
JL_GC_POP();
return m;
}
static NOINLINE int true_main(int argc, char *argv[])
{
if (jl_core_module != NULL) {
jl_array_t *args = (jl_array_t*)jl_get_global(jl_core_module, jl_symbol("ARGS"));
if (args == NULL) {
args = jl_alloc_cell_1d(0);
JL_GC_PUSH1(&args);
jl_set_const(jl_core_module, jl_symbol("ARGS"), (jl_value_t*)args);
JL_GC_POP();
}
assert(jl_array_len(args) == 0);
jl_array_grow_end(args, argc);
int i;
for (i=0; i < argc; i++) {
jl_value_t *s = (jl_value_t*)jl_cstr_to_string(argv[i]);
jl_set_typeof(s,jl_utf8_string_type);
jl_arrayset(args, s, i);
}
}
jl_function_t *start_client = jl_base_module ?
(jl_function_t*)jl_get_global(jl_base_module, jl_symbol("_start")) : NULL;
if (start_client) {
jl_apply(&start_client, 1);
return 0;
}
// run program if specified, otherwise enter REPL
if (argc > 0) {
if (strcmp(argv[0], "-")) {
return exec_program(argv[0]);
}
}
ios_puts("WARNING: Base._start not defined, falling back to economy mode repl.\n", ios_stdout);
if (!jl_errorexception_type)
ios_puts("WARNING: jl_errorexception_type not defined; any errors will be fatal.\n", ios_stdout);
while (!ios_eof(ios_stdin)) {
char *volatile line = NULL;
JL_TRY {
ios_puts("\njulia> ", ios_stdout);
ios_flush(ios_stdout);
line = ios_readline(ios_stdin);
jl_value_t *val = (jl_value_t*)jl_eval_string(line);
if (jl_exception_occurred()) {
jl_printf(JL_STDERR, "error during run:\n");
jl_static_show(JL_STDERR, jl_exception_in_transit);
jl_exception_clear();
}
else if (val) {
jl_static_show(JL_STDOUT, val);
}
jl_printf(JL_STDOUT, "\n");
free(line);
line = NULL;
uv_run(jl_global_event_loop(),UV_RUN_NOWAIT);
}
JL_CATCH {
if (line) {
free(line);
line = NULL;
}
jl_printf(JL_STDERR, "\nparser error:\n");
jl_static_show(JL_STDERR, jl_exception_in_transit);
jl_printf(JL_STDERR, "\n");
jlbacktrace();
}
}
return 0;
}
jl_typemap_entry_t *jl_typemap_insert(union jl_typemap_t *cache, jl_value_t *parent,
jl_tupletype_t *type, jl_svec_t *tvars,
jl_tupletype_t *simpletype, jl_svec_t *guardsigs,
jl_value_t *newvalue, int8_t offs,
const struct jl_typemap_info *tparams,
jl_value_t **overwritten)
{
assert(jl_is_tuple_type(type));
if (!simpletype) {
simpletype = (jl_tupletype_t*)jl_nothing;
}
if ((jl_value_t*)simpletype == jl_nothing) {
jl_typemap_entry_t *ml = jl_typemap_assoc_by_type(*cache, type, NULL, 1, 0, offs);
if (ml && ml->simplesig == (void*)jl_nothing) {
if (overwritten != NULL)
*overwritten = ml->func.value;
if (newvalue == NULL) // don't overwrite with guard entries
return ml;
// sigatomic begin
ml->sig = type;
jl_gc_wb(ml, ml->sig);
ml->simplesig = simpletype;
jl_gc_wb(ml, ml->simplesig);
ml->tvars = tvars;
jl_gc_wb(ml, ml->tvars);
ml->va = jl_is_va_tuple(type);
// TODO: `l->func` or `l->func->roots` might need to be rooted
ml->func.value = newvalue;
if (newvalue)
jl_gc_wb(ml, newvalue);
// sigatomic end
return ml;
}
}
if (overwritten != NULL)
*overwritten = NULL;
jl_typemap_entry_t *newrec = (jl_typemap_entry_t*)jl_gc_allocobj(sizeof(jl_typemap_entry_t));
jl_set_typeof(newrec, jl_typemap_entry_type);
newrec->sig = type;
newrec->simplesig = simpletype;
newrec->tvars = tvars;
newrec->func.value = newvalue;
newrec->guardsigs = guardsigs;
newrec->next = (jl_typemap_entry_t*)jl_nothing;
// compute the complexity of this type signature
newrec->va = jl_is_va_tuple(type);
newrec->issimplesig = (tvars == jl_emptysvec); // a TypeVar environment needs an complex matching test
newrec->isleafsig = newrec->issimplesig && !newrec->va; // entirely leaf types don't need to be sorted
JL_GC_PUSH1(&newrec);
size_t i, l;
for (i = 0, l = jl_datatype_nfields(type); i < l && newrec->issimplesig; i++) {
jl_value_t *decl = jl_field_type(type, i);
if (decl == (jl_value_t*)jl_datatype_type)
newrec->isleafsig = 0; // Type{} may have a higher priority than DataType
else if (decl == (jl_value_t*)jl_typector_type)
newrec->isleafsig = 0; // Type{} may have a higher priority than TypeConstructor
else if (jl_is_type_type(decl))
newrec->isleafsig = 0; // Type{} may need special processing to compute the match
else if (jl_is_vararg_type(decl))
newrec->isleafsig = 0; // makes iteration easier when the endpoints are the same
else if (decl == (jl_value_t*)jl_any_type)
newrec->isleafsig = 0; // Any needs to go in the general cache
else if (!jl_is_leaf_type(decl)) // anything else can go through the general subtyping test
newrec->isleafsig = newrec->issimplesig = 0;
}
// TODO: assert that guardsigs == jl_emptysvec && simplesig == jl_nothing if isleafsig and optimize with that knowledge?
jl_typemap_insert_generic(cache, parent, newrec, NULL, offs, tparams);
JL_GC_POP();
return newrec;
}
static jl_array_t *_new_array_(jl_value_t *atype, uint32_t ndims, size_t *dims,
int isunboxed, int elsz)
{
size_t i, tot, nel=1;
wideint_t prod;
void *data;
jl_array_t *a;
for(i=0; i < ndims; i++) {
prod = (wideint_t)nel * (wideint_t)dims[i];
if (prod > (wideint_t) MAXINTVAL)
jl_error("invalid Array dimensions");
nel = prod;
}
if (isunboxed) {
prod = (wideint_t)elsz * (wideint_t)nel;
if (prod > (wideint_t) MAXINTVAL)
jl_error("invalid Array size");
tot = prod;
if (elsz == 1) {
// hidden 0 terminator for all byte arrays
tot++;
}
}
else {
prod = (wideint_t)sizeof(void*) * (wideint_t)nel;
if (prod > (wideint_t) MAXINTVAL)
jl_error("invalid Array size");
tot = prod;
}
int ndimwords = jl_array_ndimwords(ndims);
int tsz = JL_ARRAY_ALIGN(sizeof(jl_array_t) + ndimwords*sizeof(size_t), 16);
if (tot <= ARRAY_INLINE_NBYTES) {
if (isunboxed && elsz >= 4)
tsz = JL_ARRAY_ALIGN(tsz, 16); // align data area 16
size_t doffs = tsz;
tsz += tot;
tsz = JL_ARRAY_ALIGN(tsz, 16); // align whole object 16
a = (jl_array_t*)jl_gc_allocobj(tsz);
jl_set_typeof(a, atype);
a->how = 0;
data = (char*)a + doffs;
if (tot > 0 && !isunboxed) {
memset(data, 0, tot);
}
}
else {
tsz = JL_ARRAY_ALIGN(tsz, 16); // align whole object 16
a = (jl_array_t*)jl_gc_allocobj(tsz);
JL_GC_PUSH1(&a);
jl_set_typeof(a, atype);
// temporarily initialize to make gc-safe
a->data = NULL;
a->how = 2;
data = jl_gc_managed_malloc(tot);
jl_gc_track_malloced_array(a);
if (!isunboxed)
memset(data, 0, tot);
JL_GC_POP();
}
a->pooled = tsz <= GC_MAX_SZCLASS;
a->data = data;
if (elsz == 1) ((char*)data)[tot-1] = '\0';
#ifdef STORE_ARRAY_LEN
a->length = nel;
#endif
a->ndims = ndims;
a->ptrarray = !isunboxed;
a->elsize = elsz;
a->isshared = 0;
a->isaligned = 1;
a->offset = 0;
if (ndims == 1) {
a->nrows = nel;
a->maxsize = nel;
}
else {
size_t *adims = &a->nrows;
for(i=0; i < ndims; i++)
adims[i] = dims[i];
}
return a;
}
jl_array_t *jl_ptr_to_array(jl_value_t *atype, void *data, jl_value_t *dims,
int own_buffer)
{
size_t i, elsz, nel=1;
jl_array_t *a;
size_t ndims = jl_nfields(dims);
wideint_t prod;
for(i=0; i < ndims; i++) {
prod = (wideint_t)nel * (wideint_t)jl_unbox_long(jl_fieldref(dims, i));
if (prod > (wideint_t) MAXINTVAL)
jl_error("invalid Array dimensions");
nel = prod;
}
jl_value_t *el_type = jl_tparam0(atype);
int isunboxed = store_unboxed(el_type);
if (isunboxed)
elsz = jl_datatype_size(el_type);
else
elsz = sizeof(void*);
int ndimwords = jl_array_ndimwords(ndims);
int tsz = JL_ARRAY_ALIGN(sizeof(jl_array_t) + ndimwords*sizeof(size_t), 16);
a = (jl_array_t*)jl_gc_allocobj(tsz);
jl_set_typeof(a, atype);
a->pooled = tsz <= GC_MAX_SZCLASS;
a->data = data;
#ifdef STORE_ARRAY_LEN
a->length = nel;
#endif
a->elsize = elsz;
a->ptrarray = !isunboxed;
a->ndims = ndims;
a->offset = 0;
a->isshared = 1;
a->isaligned = 0;
if (own_buffer) {
a->how = 2;
jl_gc_track_malloced_array(a);
jl_gc_count_allocd(nel*elsz + (elsz == 1 ? 1 : 0));
}
else {
a->how = 0;
}
if (ndims == 1) {
a->nrows = nel;
a->maxsize = nel;
}
else {
size_t *adims = &a->nrows;
// jl_fieldref can allocate
JL_GC_PUSH1(&a);
for(i=0; i < ndims; i++) {
adims[i] = jl_unbox_long(jl_fieldref(dims, i));
}
JL_GC_POP();
}
return a;
}
jl_array_t *jl_reshape_array(jl_value_t *atype, jl_array_t *data, jl_value_t *dims)
{
size_t i;
jl_array_t *a;
size_t ndims = jl_nfields(dims);
int ndimwords = jl_array_ndimwords(ndims);
int tsz = JL_ARRAY_ALIGN(sizeof(jl_array_t) + ndimwords*sizeof(size_t) + sizeof(void*), 16);
a = (jl_array_t*)jl_gc_allocobj(tsz);
jl_set_typeof(a, atype);
a->pooled = tsz <= GC_MAX_SZCLASS;
a->ndims = ndims;
a->offset = 0;
a->data = NULL;
a->isaligned = data->isaligned;
jl_value_t *el_type = jl_tparam0(atype);
if (store_unboxed(el_type)) {
a->elsize = jl_datatype_size(el_type);
a->ptrarray = 0;
}
else {
a->elsize = sizeof(void*);
a->ptrarray = 1;
}
JL_GC_PUSH1(&a);
jl_array_t *owner = data;
// if data is itself a shared wrapper,
// owner should point back to the original array
if (owner->how == 3) {
owner = (jl_array_t*)jl_array_data_owner(owner);
}
assert(owner->how != 3);
jl_array_data_owner(a) = (jl_value_t*)owner;
a->how = 3;
a->data = data->data;
a->isshared = 1;
data->isshared = 1;
if (ndims == 1) {
size_t l = ((size_t*)jl_data_ptr(dims))[0];
#ifdef STORE_ARRAY_LEN
a->length = l;
#endif
a->nrows = l;
a->maxsize = l;
}
else {
size_t *adims = &a->nrows;
size_t l=1;
wideint_t prod;
for(i=0; i < ndims; i++) {
adims[i] = ((size_t*)jl_data_ptr(dims))[i];
prod = (wideint_t)l * (wideint_t)adims[i];
if (prod > (wideint_t) MAXINTVAL)
jl_error("invalid Array dimensions");
l = prod;
}
#ifdef STORE_ARRAY_LEN
a->length = l;
#endif
}
JL_GC_POP();
return a;
}
