jl_datatype_t *jl_new_datatype(jl_sym_t *name, jl_datatype_t *super,
jl_tuple_t *parameters,
jl_tuple_t *fnames, jl_tuple_t *ftypes,
int abstract, int mutabl)
{
jl_datatype_t *t=NULL;
jl_typename_t *tn=NULL;
JL_GC_PUSH2(&t, &tn);
if (!jl_boot_file_loaded && jl_is_symbol(name)) {
// hack to avoid making two versions of basic types needed
// during bootstrapping
if (!strcmp(((jl_sym_t*)name)->name, "Int32"))
t = jl_int32_type;
else if (!strcmp(((jl_sym_t*)name)->name, "Int64"))
t = jl_int64_type;
else if (!strcmp(((jl_sym_t*)name)->name, "Bool"))
t = jl_bool_type;
}
if (t == NULL)
t = jl_new_uninitialized_datatype(jl_tuple_len(fnames));
else
tn = t->name;
// init before possibly calling jl_new_typename
t->super = super;
t->parameters = parameters;
t->names = fnames;
t->types = ftypes;
t->abstract = abstract;
t->mutabl = mutabl;
t->pointerfree = 0;
t->instance = NULL;
t->struct_decl = NULL;
t->size = 0;
t->alignment = 0;
if (tn == NULL) {
t->name = NULL;
if (jl_is_typename(name))
tn = (jl_typename_t*)name;
else
tn = jl_new_typename((jl_sym_t*)name);
t->name = tn;
}
if (t->name->primary == NULL)
t->name->primary = (jl_value_t*)t;
if (abstract || jl_tuple_len(parameters) > 0) {
t->uid = 0;
}
else {
t->uid = jl_assign_type_uid();
if (t->types != NULL)
jl_compute_field_offsets(t);
}
JL_GC_POP();
return t;
}
JL_DLLEXPORT jl_value_t *jl_apply_with_saved_exception_state(jl_value_t **args, uint32_t nargs, int drop_exceptions)
{
jl_ptls_t ptls = jl_get_ptls_states();
jl_value_t *exc = ptls->exception_in_transit;
jl_array_t *bt = NULL;
JL_GC_PUSH2(&exc, &bt);
if (ptls->bt_size > 0)
bt = (jl_array_t*)jl_get_backtrace();
jl_value_t *v;
JL_TRY {
v = jl_apply(args, nargs);
}
JL_CATCH {
if (!drop_exceptions) {
jl_printf(JL_STDERR, "Internal error: encountered unexpected error in runtime:\n");
jl_static_show(JL_STDERR, ptls->exception_in_transit);
jl_printf(JL_STDERR, "\n");
jlbacktrace(); // written to STDERR_FILENO
}
v = NULL;
}
ptls->exception_in_transit = exc;
if (bt != NULL) {
ptls->bt_size = jl_array_len(bt);
memcpy(ptls->bt_data, bt->data, ptls->bt_size * sizeof(void*));
}
JL_GC_POP();
return v;
}
// this is for parsing one expression out of a string, keeping track of
// the current position.
JL_DLLEXPORT jl_value_t *jl_parse_string(const char *str, size_t len,
int pos0, int greedy)
{
JL_TIMING(PARSING);
if (pos0 < 0 || pos0 > len) {
jl_array_t *buf = jl_pchar_to_array(str, len);
JL_GC_PUSH1(&buf);
// jl_bounds_error roots the arguments.
jl_bounds_error((jl_value_t*)buf, jl_box_long(pos0));
}
jl_ast_context_t *ctx = jl_ast_ctx_enter();
fl_context_t *fl_ctx = &ctx->fl;
value_t s = cvalue_static_cstrn(fl_ctx, str, len);
value_t p = fl_applyn(fl_ctx, 3, symbol_value(symbol(fl_ctx, "jl-parse-one-string")),
s, fixnum(pos0), greedy?fl_ctx->T:fl_ctx->F);
jl_value_t *expr=NULL, *pos1=NULL;
JL_GC_PUSH2(&expr, &pos1);
value_t e = car_(p);
if (e == fl_ctx->FL_EOF)
expr = jl_nothing;
else
expr = scm_to_julia(fl_ctx, e, NULL);
pos1 = jl_box_long(tosize(fl_ctx, cdr_(p), "parse"));
jl_ast_ctx_leave(ctx);
jl_value_t *result = (jl_value_t*)jl_svec2(expr, pos1);
JL_GC_POP();
return result;
}
static void _compile_all_deq(jl_array_t *found)
{
int found_i, found_l = jl_array_len(found);
jl_printf(JL_STDERR, "found %d uncompiled methods for compile-all\n", (int)found_l);
jl_method_instance_t *mi = NULL;
jl_value_t *src = NULL;
JL_GC_PUSH2(&mi, &src);
for (found_i = 0; found_i < found_l; found_i++) {
if (found_i % (1 + found_l / 300) == 0 || found_i == found_l - 1) // show 300 progress steps, to show progress without overwhelming log files
jl_printf(JL_STDERR, " %d / %d\r", found_i + 1, found_l);
jl_typemap_entry_t *ml = (jl_typemap_entry_t*)jl_array_ptr_ref(found, found_i);
jl_method_t *m = ml->func.method;
if (m->source == NULL) // TODO: generic implementations of generated functions
continue;
mi = jl_get_unspecialized(mi);
assert(mi == m->unspecialized); // make sure we didn't get tricked by a generated function, since we can't handle those
jl_code_instance_t *ucache = jl_get_method_inferred(mi, (jl_value_t*)jl_any_type, 1, ~(size_t)0);
if (ucache->invoke != NULL)
continue;
src = m->source;
// TODO: we could now enable storing inferred function pointers in the `unspecialized` cache
//src = jl_type_infer(mi, jl_world_counter, 1);
//if (ucache->invoke != NULL)
// continue;
// first try to create leaf signatures from the signature declaration and compile those
_compile_all_union((jl_value_t*)ml->sig);
// then also compile the generic fallback
jl_compile_linfo(mi, (jl_code_info_t*)src, 1, &jl_default_cgparams);
assert(ucache->functionObjectsDecls.functionObject != NULL);
}
JL_GC_POP();
jl_printf(JL_STDERR, "\n");
}
SEXP jr_data_frame(jl_value_t *tt)
{
SEXP ans = R_NilValue;
SEXP rnames, d;
jl_array_t *names = (jl_array_t *) jl_get_nth_field(jl_get_nth_field(tt, 1), 1);
jl_array_t *columns = (jl_array_t *) jl_get_nth_field(tt, 0);
JL_GC_PUSH2(&names, &columns);
size_t n = jl_array_len(jl_get_nth_field(jl_arrayref(columns, 0), 0));
size_t m = jl_array_len(columns);
PROTECT(ans = Rf_allocVector(VECSXP, m));
PROTECT(rnames = Rf_allocVector(STRSXP, m));
for(size_t i=0; i<m; i++)
{
SET_VECTOR_ELT(ans, i, jr_data_array((jl_value_t *) jl_arrayref(columns, i)));
SET_STRING_ELT(rnames, i, Rf_mkChar(((jl_sym_t *) jl_arrayref(names, i))->name));
}
Rf_setAttrib(ans, R_NamesSymbol, rnames);
Rf_setAttrib(ans, R_ClassSymbol, Rf_mkString("data.frame"));
d = PROTECT(Rf_allocVector(INTSXP ,n));
for(size_t i=0; i<n; i++){
INTEGER(d)[i] = i+1;
}
Rf_setAttrib(ans, R_RowNamesSymbol, d);
UNPROTECT(3);
JL_GC_POP();
return ans;
}
SEXP jr_data_array(jl_value_t *tt) {
SEXP ans = R_NilValue;
jl_function_t *func = jl_get_function(jl_base_module, "getindex");
jl_value_t *u = jl_get_nth_field(tt, 0);
jl_value_t *v = jl_get_nth_field(tt, 1);
JL_GC_PUSH2(&u, &v);
size_t len = jl_array_len(u);
ans = jr_array(u);
int ty = TYPEOF(ans);
for(size_t i=0; i<len; i++){
if (jl_unbox_bool(jl_call2(func, v, jl_box_long(i+1)))){
switch(ty) {
case LGLSXP:
LOGICAL(ans)[i] = NA_LOGICAL;
break;
case INTSXP:
INTEGER(ans)[i] = NA_INTEGER;
break;
case REALSXP:
REAL(ans)[i] = NA_REAL;
break;
case STRSXP:
SET_STRING_ELT(ans, i, NA_STRING);
break;
default:
LOGICAL(ans)[i] = NA_LOGICAL;
}
}
}
JL_GC_POP();
return ans;
}
// this is a run-time function
// warning: cannot allocate memory except using alloc_temp_arg_space
extern "C" DLLEXPORT void *jl_value_to_pointer(jl_value_t *jt, jl_value_t *v, int argn,
int addressof)
{
jl_value_t *jvt = (jl_value_t*)jl_typeof(v);
if (addressof) {
if (jvt == jt) {
if (jl_is_bitstype(jvt)) {
size_t osz = jl_datatype_size(jt);
return alloc_temp_arg_copy(jl_data_ptr(v), osz);
}
else if (!jl_is_tuple(jvt) && jl_is_leaf_type(jvt) && !jl_is_array_type(jvt)) {
return v + 1;
}
}
goto value_to_pointer_error;
}
else {
if (jl_is_cpointer_type(jvt) && jl_tparam0(jvt) == jt) {
return (void*)jl_unbox_voidpointer(v);
}
}
if (((jl_value_t*)jl_uint8_type == jt ||
(jl_value_t*)jl_int8_type == jt) && jl_is_byte_string(v)) {
return jl_string_data(v);
}
if (jl_is_array_type(jvt)) {
if (jl_tparam0(jl_typeof(v)) == jt || jt==(jl_value_t*)jl_bottom_type)
return ((jl_array_t*)v)->data;
if (jl_is_cpointer_type(jt)) {
jl_array_t *ar = (jl_array_t*)v;
void **temp=(void**)alloc_temp_arg_space((1+jl_array_len(ar))*sizeof(void*));
size_t i;
for(i=0; i < jl_array_len(ar); i++) {
temp[i] = jl_value_to_pointer(jl_tparam0(jt),
jl_arrayref(ar, i), argn, 0);
}
temp[i] = 0;
return temp;
}
}
value_to_pointer_error:
std::map<int, std::string>::iterator it = argNumberStrings.find(argn);
if (it == argNumberStrings.end()) {
std::stringstream msg;
msg << "argument ";
msg << argn;
argNumberStrings[argn] = msg.str();
it = argNumberStrings.find(argn);
}
jl_value_t *targ=NULL, *pty=NULL;
JL_GC_PUSH2(&targ, &pty);
targ = (jl_value_t*)jl_tuple1(jt);
pty = (jl_value_t*)jl_apply_type((jl_value_t*)jl_pointer_type,
(jl_tuple_t*)targ);
jl_type_error_rt("ccall", (*it).second.c_str(), pty, v);
// doesn't return
return (jl_value_t*)jl_null;
}
JL_DLLEXPORT void JL_NORETURN jl_bounds_error_int(jl_value_t *v, size_t i)
{
jl_value_t *t = NULL;
JL_GC_PUSH2(&v, &t); // root arguments so the caller doesn't need to
t = jl_box_long(i);
jl_throw(jl_new_struct((jl_datatype_t*)jl_boundserror_type, v, t));
}
// given a new lambda_info with static parameter values, make a copy
// of the tree with declared types evaluated and static parameters passed
// on to all enclosed functions.
// this tree can then be further mutated by optimization passes.
DLLEXPORT
jl_value_t *jl_prepare_ast(jl_lambda_info_t *li, jl_tuple_t *sparams)
{
jl_tuple_t *spenv = NULL;
jl_value_t *ast = li->ast;
if (ast == NULL) return NULL;
JL_GC_PUSH2(&spenv, &ast);
spenv = jl_tuple_tvars_to_symbols(sparams);
if (!jl_is_expr(ast)) {
ast = jl_uncompress_ast(li, ast);
ast = dont_copy_ast(ast, sparams, 1);
}
else {
ast = copy_ast(ast, sparams, 1);
}
jl_module_t *last_m = jl_current_module;
JL_TRY {
jl_current_module = li->module;
eval_decl_types(jl_lam_vinfo((jl_expr_t*)ast), spenv);
eval_decl_types(jl_lam_capt((jl_expr_t*)ast), spenv);
}
JL_CATCH {
jl_current_module = last_m;
jl_rethrow();
}
jl_current_module = last_m;
JL_GC_POP();
return ast;
}
// f(::Union{...}, ...) is a common pattern
// and expanding the Union may give a leaf function
static void _compile_all_union(jl_value_t *sig)
{
jl_tupletype_t *sigbody = (jl_tupletype_t*)jl_unwrap_unionall(sig);
size_t count_unions = 0;
size_t i, l = jl_svec_len(sigbody->parameters);
jl_svec_t *p = NULL;
jl_value_t *methsig = NULL;
for (i = 0; i < l; i++) {
jl_value_t *ty = jl_svecref(sigbody->parameters, i);
if (jl_is_uniontype(ty))
++count_unions;
else if (ty == jl_bottom_type)
return; // why does this method exist?
}
if (count_unions == 0) {
_compile_all_tvar_union(sig);
return;
}
int *idx = (int*)alloca(sizeof(int) * count_unions);
for (i = 0; i < count_unions; i++) {
idx[i] = 0;
}
JL_GC_PUSH2(&p, &methsig);
int idx_ctr = 0, incr = 0;
while (!incr) {
jl_svec_t *p = jl_alloc_svec_uninit(l);
for (i = 0, idx_ctr = 0, incr = 1; i < l; i++) {
jl_value_t *ty = jl_svecref(sigbody->parameters, i);
if (jl_is_uniontype(ty)) {
size_t l = jl_count_union_components(ty);
size_t j = idx[idx_ctr];
jl_svecset(p, i, jl_nth_union_component(ty, j));
++j;
if (incr) {
if (j == l) {
idx[idx_ctr] = 0;
}
else {
idx[idx_ctr] = j;
incr = 0;
}
}
++idx_ctr;
}
else {
jl_svecset(p, i, ty);
}
}
methsig = (jl_value_t*)jl_apply_tuple_type(p);
methsig = jl_rewrap_unionall(methsig, sig);
_compile_all_tvar_union(methsig);
}
JL_GC_POP();
}
JL_DLLEXPORT void JL_NORETURN jl_bounds_error_v(jl_value_t *v, jl_value_t **idxs, size_t nidxs)
{
jl_value_t *t = NULL;
// items in idxs are assumed to already be rooted
JL_GC_PUSH2(&v, &t); // root v so the caller doesn't need to
t = jl_f_tuple(NULL, idxs, nidxs);
jl_throw(jl_new_struct((jl_datatype_t*)jl_boundserror_type, v, t));
}
// this is a heuristic for allowing "redefining" a type to something identical
static int equiv_type(jl_datatype_t *dta, jl_datatype_t *dtb)
{
if (!(jl_typeof(dta) == jl_typeof(dtb) &&
dta->name->name == dtb->name->name &&
dta->abstract == dtb->abstract &&
dta->mutabl == dtb->mutabl &&
dta->size == dtb->size &&
dta->ninitialized == dtb->ninitialized &&
jl_egal((jl_value_t*)dta->name->names, (jl_value_t*)dtb->name->names) &&
jl_nparams(dta) == jl_nparams(dtb) &&
jl_field_count(dta) == jl_field_count(dtb)))
return 0;
jl_value_t *a=NULL, *b=NULL;
int ok = 1;
size_t i, nf = jl_field_count(dta);
JL_GC_PUSH2(&a, &b);
a = jl_rewrap_unionall((jl_value_t*)dta->super, dta->name->wrapper);
b = jl_rewrap_unionall((jl_value_t*)dtb->super, dtb->name->wrapper);
if (!jl_types_equal(a, b))
goto no;
JL_TRY {
a = jl_apply_type(dtb->name->wrapper, jl_svec_data(dta->parameters), jl_nparams(dta));
}
JL_CATCH {
ok = 0;
}
if (!ok) goto no;
assert(jl_is_datatype(a));
a = dta->name->wrapper;
b = dtb->name->wrapper;
while (jl_is_unionall(a)) {
jl_unionall_t *ua = (jl_unionall_t*)a;
jl_unionall_t *ub = (jl_unionall_t*)b;
if (!jl_egal(ua->var->lb, ub->var->lb) || !jl_egal(ua->var->ub, ub->var->ub) ||
ua->var->name != ub->var->name)
goto no;
a = jl_instantiate_unionall(ua, (jl_value_t*)ub->var);
b = ub->body;
}
assert(jl_is_datatype(a) && jl_is_datatype(b));
for (i=0; i < nf; i++) {
jl_value_t *ta = jl_svecref(((jl_datatype_t*)a)->types, i);
jl_value_t *tb = jl_svecref(((jl_datatype_t*)b)->types, i);
if (jl_has_free_typevars(ta)) {
if (!jl_has_free_typevars(tb) || !jl_egal(ta, tb))
goto no;
}
else if (jl_has_free_typevars(tb) || jl_typeof(ta) != jl_typeof(tb) ||
!jl_types_equal(ta, tb)) {
goto no;
}
}
JL_GC_POP();
return 1;
no:
JL_GC_POP();
return 0;
}
// with function name / location description, plus extra context
JL_DLLEXPORT void JL_NORETURN jl_type_error_rt(const char *fname, const char *context,
jl_value_t *expected, jl_value_t *got)
{
jl_value_t *ctxt=NULL;
JL_GC_PUSH2(&ctxt, &got);
ctxt = jl_pchar_to_string((char*)context, strlen(context));
jl_value_t *ex = jl_new_struct(jl_typeerror_type, jl_symbol(fname), ctxt, expected, got);
jl_throw(ex);
}
JL_DLLEXPORT void JL_NORETURN jl_bounds_error_unboxed_int(void *data, jl_value_t *vt, size_t i)
{
jl_value_t *t = NULL, *v = NULL;
// data is expected to be gc-safe (either gc-rooted, or alloca)
// vt is expected to be gc-rooted (in a linfo-root probably)
JL_GC_PUSH2(&v, &t);
v = jl_new_bits(vt, data);
t = jl_box_long(i);
jl_throw(jl_new_struct((jl_datatype_t*)jl_boundserror_type, v, t));
}
void jl_type_error_rt(const char *fname, const char *context,
jl_value_t *ty, jl_value_t *got)
{
jl_value_t *ctxt=NULL;
JL_GC_PUSH2(&ctxt, &got);
ctxt = jl_pchar_to_string((char*)context, strlen(context));
jl_value_t *ex = jl_new_struct(jl_typeerror_type, jl_symbol(fname),
ctxt, ty, got);
jl_throw(ex);
}
DLLEXPORT jl_value_t *jl_copy_ast(jl_value_t *expr)
{
if (jl_is_expr(expr)) {
jl_expr_t *e = (jl_expr_t*)expr;
size_t i, l = jl_array_len(e->args);
jl_expr_t *ne = NULL;
JL_GC_PUSH2(&ne, &expr);
ne = jl_exprn(e->head, l);
if (l == 0) {
ne->args = jl_alloc_cell_1d(0);
}
else {
for(i=0; i < l; i++)
jl_exprarg(ne, i) = jl_copy_ast(jl_exprarg(e,i));
}
JL_GC_POP();
return (jl_value_t*)ne;
}
else if (jl_typeis(expr,jl_array_any_type)) {
jl_array_t *a = (jl_array_t*)expr;
size_t i, l = jl_array_len(a);
jl_array_t *na = NULL;
JL_GC_PUSH2(&na, &expr);
na = jl_alloc_cell_1d(l);
for(i=0; i < l; i++)
jl_cellset(na, i, jl_copy_ast(jl_cellref(a,i)));
JL_GC_POP();
return (jl_value_t*)na;
}
else if (jl_is_quotenode(expr)) {
if (jl_is_symbol(jl_fieldref(expr,0)))
return expr;
jl_value_t *q = NULL;
JL_GC_PUSH2(&q, &expr);
q = jl_copy_ast(jl_fieldref(expr,0));
jl_value_t *v = jl_new_struct(jl_quotenode_type, q);
JL_GC_POP();
return v;
}
return expr;
}
JL_DLLEXPORT void JL_NORETURN jl_bounds_error_ints(jl_value_t *v, size_t *idxs, size_t nidxs)
{
size_t i;
jl_value_t *t = NULL;
JL_GC_PUSH2(&v, &t); // root arguments so the caller doesn't need to
t = (jl_value_t*)jl_alloc_svec(nidxs);
for (i = 0; i < nidxs; i++) {
jl_svecset(t, i, jl_box_long(idxs[i]));
}
t = jl_f_tuple(NULL, jl_svec_data(t), nidxs);
jl_throw(jl_new_struct((jl_datatype_t*)jl_boundserror_type, v, t));
}
void jl_add_constructors(jl_datatype_t *t)
{
if (t->name == jl_array_typename) {
t->fptr = jl_f_no_function;
return;
}
jl_initialize_generic_function((jl_function_t*)t, t->name->name);
if (t->name->ctor_factory == (jl_value_t*)jl_nothing ||
t->name->ctor_factory == (jl_value_t*)jl_null) {
}
else {
assert(jl_tuple_len(t->parameters) > 0);
if (t == (jl_datatype_t*)t->name->primary)
return;
jl_function_t *cfactory = NULL;
jl_tuple_t *env = NULL;
JL_GC_PUSH2(&cfactory, &env);
if (jl_compileropts.compile_enabled) {
// instantiating
assert(jl_is_function(t->name->ctor_factory));
// add type's static parameters to the ctor factory
size_t np = jl_tuple_len(t->parameters);
env = jl_alloc_tuple_uninit(np*2);
for(size_t i=0; i < np; i++) {
jl_tupleset(env, i*2+0,
jl_tupleref(((jl_datatype_t*)t->name->primary)->parameters, i));
jl_tupleset(env, i*2+1,
jl_tupleref(t->parameters, i));
}
cfactory = jl_instantiate_method((jl_function_t*)t->name->ctor_factory, env);
cfactory->linfo->ast = jl_prepare_ast(cfactory->linfo,
cfactory->linfo->sparams);
}
else {
cfactory = ((jl_datatype_t*)t)->name->static_ctor_factory;
if (cfactory == NULL) {
JL_PRINTF(JL_STDERR,"code missing for type %s\n", t->name->name);
exit(1);
}
// in generically-compiled case, pass static parameters via closure
// environment.
env = jl_tuple_append((jl_tuple_t*)cfactory->env, t->parameters);
cfactory = jl_new_closure(cfactory->fptr, (jl_value_t*)env, cfactory->linfo);
}
// call user-defined constructor factory on (type,)
jl_value_t *cfargs[1] = { (jl_value_t*)t };
jl_apply(cfactory, cfargs, 1);
JL_GC_POP();
}
}
DLLEXPORT jl_value_t *jl_call1(jl_function_t *f, jl_value_t *a)
{
jl_value_t *v;
JL_TRY {
JL_GC_PUSH2(&f,&a);
v = jl_apply(f, &a, 1);
JL_GC_POP();
}
JL_CATCH {
v = NULL;
}
return v;
}
JL_DLLEXPORT jl_value_t *jl_get_backtrace(void)
{
jl_svec_t *tp = NULL;
jl_array_t *bt = NULL;
JL_GC_PUSH2(&tp, &bt);
if (array_ptr_void_type == NULL) {
tp = jl_svec2(jl_voidpointer_type, jl_box_long(1));
array_ptr_void_type = jl_apply_type((jl_value_t*)jl_array_type, tp);
}
bt = jl_alloc_array_1d(array_ptr_void_type, jl_bt_size);
memcpy(bt->data, jl_bt_data, jl_bt_size * sizeof(void*));
JL_GC_POP();
return (jl_value_t*)bt;
}
static void run_finalizers(void)
{
void *o = NULL;
jl_value_t *ff = NULL;
JL_GC_PUSH2(&o, &ff);
while (to_finalize.len > 0) {
o = arraylist_pop(&to_finalize);
ff = (jl_value_t*)ptrhash_get(&finalizer_table, o);
assert(ff != HT_NOTFOUND);
ptrhash_remove(&finalizer_table, o);
run_finalizer((jl_value_t*)o, ff);
}
JL_GC_POP();
}
JL_DLLEXPORT jl_value_t *jl_copy_ast(jl_value_t *expr)
{
if (expr == NULL) {
return NULL;
}
else if (jl_is_expr(expr)) {
jl_expr_t *e = (jl_expr_t*)expr;
size_t i, l = jl_array_len(e->args);
jl_expr_t *ne = NULL;
JL_GC_PUSH2(&ne, &expr);
ne = jl_exprn(e->head, l);
if (l == 0) {
ne->args = jl_alloc_vec_any(0);
jl_gc_wb(ne, ne->args);
}
else {
for(i=0; i < l; i++) {
jl_exprargset(ne, i, jl_copy_ast(jl_exprarg(e,i)));
}
}
JL_GC_POP();
return (jl_value_t*)ne;
}
else if (jl_typeis(expr,jl_array_any_type)) {
jl_array_t *a = (jl_array_t*)expr;
size_t i, l = jl_array_len(a);
jl_array_t *na = NULL;
JL_GC_PUSH2(&na, &expr);
na = jl_alloc_vec_any(l);
for(i=0; i < l; i++)
jl_array_ptr_set(na, i, jl_copy_ast(jl_array_ptr_ref(a,i)));
JL_GC_POP();
return (jl_value_t*)na;
}
return expr;
}
JL_DLLEXPORT jl_value_t *jl_copy_ast(jl_value_t *expr)
{
if (expr && jl_is_expr(expr)) {
jl_expr_t *e = (jl_expr_t*)expr;
size_t i, l = jl_array_len(e->args);
jl_expr_t *ne = jl_exprn(e->head, l);
JL_GC_PUSH2(&ne, &expr);
for (i = 0; i < l; i++) {
jl_value_t *a = jl_exprarg(e, i);
jl_exprargset(ne, i, jl_copy_ast(a));
}
JL_GC_POP();
return (jl_value_t*)ne;
}
return expr;
}
void jl_add_constructors(jl_datatype_t *t)
{
if (t->name == jl_array_typename) {
t->fptr = jl_f_no_function;
return;
}
jl_initialize_generic_function((jl_function_t*)t, t->name->name);
if (t->ctor_factory == (jl_value_t*)jl_nothing ||
t->ctor_factory == (jl_value_t*)jl_null) {
}
else {
assert(jl_tuple_len(t->parameters) > 0);
if (t != (jl_datatype_t*)t->name->primary) {
// instantiating
assert(jl_is_function(t->ctor_factory));
// add type's static parameters to the ctor factory
size_t np = jl_tuple_len(t->parameters);
jl_tuple_t *sparams = jl_alloc_tuple_uninit(np*2);
jl_function_t *cfactory = NULL;
JL_GC_PUSH2(&sparams, &cfactory);
for(size_t i=0; i < np; i++) {
jl_tupleset(sparams, i*2+0,
jl_tupleref(((jl_datatype_t*)t->name->primary)->parameters, i));
jl_tupleset(sparams, i*2+1,
jl_tupleref(t->parameters, i));
}
cfactory = jl_instantiate_method((jl_function_t*)t->ctor_factory,
sparams);
cfactory->linfo->ast = jl_prepare_ast(cfactory->linfo,
cfactory->linfo->sparams);
// call user-defined constructor factory on (type,)
jl_value_t *cfargs[1] = { (jl_value_t*)t };
jl_apply(cfactory, cfargs, 1);
JL_GC_POP();
}
}
}
static void _compile_all_deq(jl_array_t *found)
{
int found_i, found_l = jl_array_len(found);
jl_printf(JL_STDERR, "found %d uncompiled methods for compile-all\n", (int)found_l);
jl_method_instance_t *linfo = NULL;
jl_value_t *src = NULL;
JL_GC_PUSH2(&linfo, &src);
for (found_i = 0; found_i < found_l; found_i++) {
if (found_i % (1 + found_l / 300) == 0 || found_i == found_l - 1) // show 300 progress steps, to show progress without overwhelming log files
jl_printf(JL_STDERR, " %d / %d\r", found_i + 1, found_l);
jl_typemap_entry_t *ml = (jl_typemap_entry_t*)jl_array_ptr_ref(found, found_i);
jl_method_t *m = ml->func.method;
if (m->isstaged) // TODO: generic implementations of generated functions
continue;
linfo = m->unspecialized;
if (!linfo) {
linfo = jl_get_specialized(m, (jl_value_t*)m->sig, jl_emptysvec);
m->unspecialized = linfo;
jl_gc_wb(m, linfo);
}
if (linfo->jlcall_api == 2)
continue;
src = m->source;
// TODO: the `unspecialized` field is not yet world-aware, so we can't store
// an inference result there.
//src = jl_type_infer(&linfo, jl_world_counter, 1);
//m->unspecialized = linfo;
//jl_gc_wb(m, linfo);
//if (linfo->jlcall_api == 2)
// continue;
// first try to create leaf signatures from the signature declaration and compile those
_compile_all_union((jl_value_t*)ml->sig);
// then also compile the generic fallback
jl_compile_linfo(&linfo, (jl_code_info_t*)src, jl_world_counter, &jl_default_cgparams);
assert(linfo->functionObjectsDecls.functionObject != NULL);
}
JL_GC_POP();
jl_printf(JL_STDERR, "\n");
}
// this is for parsing one expression out of a string, keeping track of
// the current position.
DLLEXPORT jl_value_t *jl_parse_string(const char *str, int pos0, int greedy)
{
value_t s = cvalue_static_cstring(str);
value_t p = fl_applyn(3, symbol_value(symbol("jl-parse-one-string")),
s, fixnum(pos0), greedy?FL_T:FL_F);
jl_value_t *expr=NULL, *pos1=NULL;
JL_GC_PUSH2(&expr, &pos1);
value_t e = car_(p);
if (e == FL_EOF) {
expr = (jl_value_t*)jl_null;
}
else {
expr = scm_to_julia(e,0);
}
pos1 = jl_box_long(tosize(cdr_(p),"parse"));
jl_value_t *result = (jl_value_t*)jl_tuple2(expr, pos1);
JL_GC_POP();
return result;
}
static jl_value_t *eval(jl_value_t *e, jl_value_t **locals, size_t nl, size_t ngensym)
{
if (jl_is_symbol(e)) {
jl_value_t *v;
size_t i;
for(i=0; i < nl; i++) {
if (locals[i*2] == e) {
v = locals[i*2+1];
break;
}
}
if (i >= nl) {
v = jl_get_global(jl_current_module, (jl_sym_t*)e);
}
if (v == NULL) {
jl_undefined_var_error((jl_sym_t*)e);
}
return v;
}
if (jl_is_symbolnode(e)) {
return eval((jl_value_t*)jl_symbolnode_sym(e), locals, nl, ngensym);
}
if (jl_is_gensym(e)) {
ssize_t genid = ((jl_gensym_t*)e)->id;
if (genid >= ngensym || genid < 0)
jl_error("access to invalid GenSym location");
else
return locals[nl*2 + genid];
}
if (jl_is_quotenode(e)) {
return jl_fieldref(e,0);
}
if (jl_is_topnode(e)) {
jl_sym_t *s = (jl_sym_t*)jl_fieldref(e,0);
jl_value_t *v = jl_get_global(jl_base_relative_to(jl_current_module),s);
if (v == NULL)
jl_undefined_var_error(s);
return v;
}
if (!jl_is_expr(e)) {
if (jl_is_globalref(e)) {
jl_value_t *gfargs[2] = {(jl_value_t*)jl_globalref_mod(e), (jl_value_t*)jl_globalref_name(e)};
return jl_f_get_field(NULL, gfargs, 2);
}
if (jl_is_lambda_info(e)) {
jl_lambda_info_t *li = (jl_lambda_info_t*)e;
if (jl_boot_file_loaded && li->ast && jl_is_expr(li->ast)) {
li->ast = jl_compress_ast(li, li->ast);
jl_gc_wb(li, li->ast);
}
return (jl_value_t*)jl_new_closure(NULL, (jl_value_t*)jl_emptysvec, li);
}
if (jl_is_linenode(e)) {
jl_lineno = jl_linenode_line(e);
}
if (jl_is_newvarnode(e)) {
jl_value_t *var = jl_fieldref(e,0);
assert(!jl_is_gensym(var));
assert(jl_is_symbol(var));
for(size_t i=0; i < nl; i++) {
if (locals[i*2] == var) {
locals[i*2+1] = NULL;
break;
}
}
return (jl_value_t*)jl_nothing;
}
return e;
}
jl_expr_t *ex = (jl_expr_t*)e;
jl_value_t **args = (jl_value_t**)jl_array_data(ex->args);
size_t nargs = jl_array_len(ex->args);
if (ex->head == call_sym) {
if (jl_is_lambda_info(args[0])) {
// directly calling an inner function ("let")
jl_lambda_info_t *li = (jl_lambda_info_t*)args[0];
if (jl_is_expr(li->ast) && !jl_lam_vars_captured((jl_expr_t*)li->ast) &&
!jl_has_intrinsics((jl_expr_t*)li->ast, (jl_expr_t*)li->ast, jl_current_module)) {
size_t na = nargs-1;
if (na == 0)
return jl_interpret_toplevel_thunk(li);
jl_array_t *formals = jl_lam_args((jl_expr_t*)li->ast);
size_t nreq = jl_array_len(formals);
if (nreq==0 || !jl_is_rest_arg(jl_cellref(formals,nreq-1))) {
jl_value_t **ar;
JL_GC_PUSHARGS(ar, na*2);
for(int i=0; i < na; i++) {
ar[i*2+1] = eval(args[i+1], locals, nl, ngensym);
jl_gc_wb(ex->args, ar[i*2+1]);
}
if (na != nreq) {
jl_error("wrong number of arguments");
}
for(int i=0; i < na; i++) {
jl_value_t *v = jl_cellref(formals, i);
ar[i*2] = (jl_is_gensym(v)) ? v : (jl_value_t*)jl_decl_var(v);
}
jl_value_t *ret = jl_interpret_toplevel_thunk_with(li, ar, na);
JL_GC_POP();
return ret;
}
}
}
jl_function_t *f = (jl_function_t*)eval(args[0], locals, nl, ngensym);
if (jl_is_func(f))
return do_call(f, &args[1], nargs-1, NULL, locals, nl, ngensym);
else
return do_call(jl_module_call_func(jl_current_module), args, nargs, (jl_value_t*)f, locals, nl, ngensym);
}
else if (ex->head == assign_sym) {
jl_value_t *sym = args[0];
jl_value_t *rhs = eval(args[1], locals, nl, ngensym);
if (jl_is_gensym(sym)) {
ssize_t genid = ((jl_gensym_t*)sym)->id;
if (genid >= ngensym || genid < 0)
jl_error("assignment to invalid GenSym location");
locals[nl*2 + genid] = rhs;
return rhs;
}
if (jl_is_symbol(sym)) {
size_t i;
for (i=0; i < nl; i++) {
if (locals[i*2] == sym) {
locals[i*2+1] = rhs;
return rhs;
}
}
}
jl_module_t *m = jl_current_module;
if (jl_is_globalref(sym)) {
m = jl_globalref_mod(sym);
sym = (jl_value_t*)jl_globalref_name(sym);
}
assert(jl_is_symbol(sym));
JL_GC_PUSH1(&rhs);
jl_binding_t *b = jl_get_binding_wr(m, (jl_sym_t*)sym);
jl_checked_assignment(b, rhs);
JL_GC_POP();
return rhs;
}
else if (ex->head == new_sym) {
jl_value_t *thetype = eval(args[0], locals, nl, ngensym);
jl_value_t *v=NULL;
JL_GC_PUSH2(&thetype, &v);
assert(jl_is_structtype(thetype));
v = jl_new_struct_uninit((jl_datatype_t*)thetype);
for(size_t i=1; i < nargs; i++) {
jl_set_nth_field(v, i-1, eval(args[i], locals, nl, ngensym));
}
JL_GC_POP();
return v;
}
else if (ex->head == null_sym) {
return (jl_value_t*)jl_nothing;
}
else if (ex->head == body_sym) {
return eval_body(ex->args, locals, nl, ngensym, 0, 0);
}
else if (ex->head == exc_sym) {
return jl_exception_in_transit;
}
else if (ex->head == static_typeof_sym) {
return (jl_value_t*)jl_any_type;
}
else if (ex->head == method_sym) {
jl_sym_t *fname = (jl_sym_t*)args[0];
jl_value_t **bp=NULL;
jl_value_t *bp_owner=NULL;
jl_binding_t *b=NULL;
jl_value_t *gf=NULL;
int kw=0;
if (jl_is_expr(fname) || jl_is_globalref(fname)) {
if (jl_is_expr(fname) && ((jl_expr_t*)fname)->head == kw_sym) {
kw = 1;
fname = (jl_sym_t*)jl_exprarg(fname, 0);
}
gf = eval((jl_value_t*)fname, locals, nl, ngensym);
if (jl_is_expr(fname))
fname = (jl_sym_t*)jl_fieldref(jl_exprarg(fname, 2), 0);
bp = &gf;
assert(jl_is_symbol(fname));
}
else {
for (size_t i=0; i < nl; i++) {
if (locals[i*2] == (jl_value_t*)fname) {
bp = &locals[i*2+1];
break;
}
}
if (bp == NULL) {
b = jl_get_binding_for_method_def(jl_current_module, fname);
bp = &b->value;
bp_owner = (jl_value_t*)jl_current_module;
}
}
if (jl_expr_nargs(ex) == 1)
return jl_generic_function_def(fname, bp, bp_owner, b);
jl_value_t *atypes=NULL, *meth=NULL;
JL_GC_PUSH2(&atypes, &meth);
atypes = eval(args[1], locals, nl, ngensym);
if (jl_is_lambda_info(args[2])) {
jl_check_static_parameter_conflicts((jl_lambda_info_t*)args[2], (jl_svec_t*)jl_svecref(atypes,1), fname);
}
meth = eval(args[2], locals, nl, ngensym);
jl_method_def(fname, bp, bp_owner, b, (jl_svec_t*)atypes, (jl_function_t*)meth, args[3], NULL, kw);
JL_GC_POP();
return *bp;
}
else if (ex->head == copyast_sym) {
return jl_copy_ast(eval(args[0], locals, nl, ngensym));
}
else if (ex->head == const_sym) {
jl_value_t *sym = args[0];
assert(jl_is_symbol(sym));
for (size_t i=0; i < nl; i++) {
if (locals[i*2] == sym) {
return (jl_value_t*)jl_nothing;
}
}
jl_binding_t *b = jl_get_binding_wr(jl_current_module, (jl_sym_t*)sym);
jl_declare_constant(b);
return (jl_value_t*)jl_nothing;
}
else if (ex->head == global_sym) {
// create uninitialized mutable binding for "global x" decl
// TODO: handle type decls
for (size_t i=0; i < jl_array_len(ex->args); i++) {
assert(jl_is_symbol(args[i]));
jl_get_binding_wr(jl_current_module, (jl_sym_t*)args[i]);
}
return (jl_value_t*)jl_nothing;
}
else if (ex->head == abstracttype_sym) {
jl_value_t *name = args[0];
jl_value_t *para = eval(args[1], locals, nl, ngensym);
jl_value_t *super = NULL;
jl_value_t *temp = NULL;
jl_datatype_t *dt = NULL;
JL_GC_PUSH4(¶, &super, &temp, &dt);
assert(jl_is_svec(para));
assert(jl_is_symbol(name));
dt = jl_new_abstracttype(name, jl_any_type, (jl_svec_t*)para);
jl_binding_t *b = jl_get_binding_wr(jl_current_module, (jl_sym_t*)name);
temp = b->value;
check_can_assign_type(b);
b->value = (jl_value_t*)dt;
jl_gc_wb_binding(b, dt);
super = eval(args[2], locals, nl, ngensym);
jl_set_datatype_super(dt, super);
b->value = temp;
if (temp==NULL || !equiv_type(dt, (jl_datatype_t*)temp)) {
jl_checked_assignment(b, (jl_value_t*)dt);
}
JL_GC_POP();
return (jl_value_t*)jl_nothing;
}
else if (ex->head == bitstype_sym) {
jl_value_t *name = args[0];
jl_value_t *super = NULL, *para = NULL, *vnb = NULL, *temp = NULL;
jl_datatype_t *dt = NULL;
JL_GC_PUSH4(¶, &super, &temp, &dt);
assert(jl_is_symbol(name));
para = eval(args[1], locals, nl, ngensym);
assert(jl_is_svec(para));
vnb = eval(args[2], locals, nl, ngensym);
if (!jl_is_long(vnb))
jl_errorf("invalid declaration of bits type %s", ((jl_sym_t*)name)->name);
ssize_t nb = jl_unbox_long(vnb);
if (nb < 1 || nb>=(1<<23) || (nb&7) != 0)
jl_errorf("invalid number of bits in type %s",
((jl_sym_t*)name)->name);
dt = jl_new_bitstype(name, jl_any_type, (jl_svec_t*)para, nb);
jl_binding_t *b = jl_get_binding_wr(jl_current_module, (jl_sym_t*)name);
temp = b->value;
check_can_assign_type(b);
b->value = (jl_value_t*)dt;
jl_gc_wb_binding(b, dt);
super = eval(args[3], locals, nl, ngensym);
jl_set_datatype_super(dt, super);
b->value = temp;
if (temp==NULL || !equiv_type(dt, (jl_datatype_t*)temp)) {
jl_checked_assignment(b, (jl_value_t*)dt);
}
JL_GC_POP();
return (jl_value_t*)jl_nothing;
}
else if (ex->head == compositetype_sym) {
jl_value_t *name = args[0];
assert(jl_is_symbol(name));
jl_value_t *para = eval(args[1], locals, nl, ngensym);
assert(jl_is_svec(para));
jl_value_t *temp = NULL;
jl_value_t *super = NULL;
jl_datatype_t *dt = NULL;
JL_GC_PUSH4(¶, &super, &temp, &dt);
temp = eval(args[2], locals, nl, ngensym); // field names
dt = jl_new_datatype((jl_sym_t*)name, jl_any_type, (jl_svec_t*)para,
(jl_svec_t*)temp, NULL,
0, args[5]==jl_true ? 1 : 0, jl_unbox_long(args[6]));
jl_binding_t *b = jl_get_binding_wr(jl_current_module, (jl_sym_t*)name);
temp = b->value; // save old value
// temporarily assign so binding is available for field types
check_can_assign_type(b);
b->value = (jl_value_t*)dt;
jl_gc_wb_binding(b,dt);
JL_TRY {
// operations that can fail
inside_typedef = 1;
dt->types = (jl_svec_t*)eval(args[4], locals, nl, ngensym);
jl_gc_wb(dt, dt->types);
inside_typedef = 0;
for(size_t i=0; i < jl_svec_len(dt->types); i++) {
jl_value_t *elt = jl_svecref(dt->types, i);
if (!jl_is_type(elt) && !jl_is_typevar(elt))
jl_type_error_rt(dt->name->name->name, "type definition", (jl_value_t*)jl_type_type, elt);
}
super = eval(args[3], locals, nl, ngensym);
jl_set_datatype_super(dt, super);
}
JL_CATCH {
b->value = temp;
jl_rethrow();
}
for(size_t i=0; i < jl_svec_len(para); i++) {
((jl_tvar_t*)jl_svecref(para,i))->bound = 0;
}
jl_compute_field_offsets(dt);
if (para == (jl_value_t*)jl_emptysvec && jl_is_datatype_singleton(dt)) {
dt->instance = newstruct(dt);
jl_gc_wb(dt, dt->instance);
}
b->value = temp;
if (temp==NULL || !equiv_type(dt, (jl_datatype_t*)temp)) {
jl_checked_assignment(b, (jl_value_t*)dt);
}
else {
// TODO: remove all old ctors and set temp->name->ctor_factory = dt->name->ctor_factory
}
JL_GC_POP();
return (jl_value_t*)jl_nothing;
}
static jl_value_t *scm_to_julia_(fl_context_t *fl_ctx, value_t e, jl_module_t *mod)
{
if (fl_isnumber(fl_ctx, e)) {
int64_t i64;
if (isfixnum(e)) {
i64 = numval(e);
}
else {
assert(iscprim(e));
cprim_t *cp = (cprim_t*)ptr(e);
numerictype_t nt = cp_numtype(cp);
switch (nt) {
case T_DOUBLE:
return (jl_value_t*)jl_box_float64(*(double*)cp_data(cp));
case T_FLOAT:
return (jl_value_t*)jl_box_float32(*(float*)cp_data(cp));
case T_UINT8:
return (jl_value_t*)jl_box_uint8(*(uint8_t*)cp_data(cp));
case T_UINT16:
return (jl_value_t*)jl_box_uint16(*(uint16_t*)cp_data(cp));
case T_UINT32:
return (jl_value_t*)jl_box_uint32(*(uint32_t*)cp_data(cp));
case T_UINT64:
return (jl_value_t*)jl_box_uint64(*(uint64_t*)cp_data(cp));
default:
;
}
i64 = conv_to_int64(cp_data(cp), nt);
}
#ifdef _P64
return (jl_value_t*)jl_box_int64(i64);
#else
if (i64 > (int64_t)S32_MAX || i64 < (int64_t)S32_MIN)
return (jl_value_t*)jl_box_int64(i64);
else
return (jl_value_t*)jl_box_int32((int32_t)i64);
#endif
}
if (issymbol(e)) {
if (e == jl_ast_ctx(fl_ctx)->true_sym)
return jl_true;
else if (e == jl_ast_ctx(fl_ctx)->false_sym)
return jl_false;
return (jl_value_t*)scmsym_to_julia(fl_ctx, e);
}
if (fl_isstring(fl_ctx, e))
return jl_pchar_to_string((char*)cvalue_data(e), cvalue_len(e));
if (iscons(e) || e == fl_ctx->NIL) {
value_t hd;
jl_sym_t *sym;
if (e == fl_ctx->NIL) {
hd = e;
}
else {
hd = car_(e);
if (hd == jl_ast_ctx(fl_ctx)->ssavalue_sym)
return jl_box_ssavalue(numval(car_(cdr_(e))));
else if (hd == jl_ast_ctx(fl_ctx)->slot_sym)
return jl_box_slotnumber(numval(car_(cdr_(e))));
else if (hd == jl_ast_ctx(fl_ctx)->null_sym && llength(e) == 1)
return jl_nothing;
}
if (issymbol(hd))
sym = scmsym_to_julia(fl_ctx, hd);
else
sym = list_sym;
size_t n = llength(e)-1;
if (issymbol(hd))
e = cdr_(e);
else
n++;
// nodes with special representations
jl_value_t *ex = NULL, *temp = NULL;
if (sym == line_sym && (n == 1 || n == 2)) {
jl_value_t *linenum = scm_to_julia_(fl_ctx, car_(e), mod);
jl_value_t *file = jl_nothing;
JL_GC_PUSH2(&linenum, &file);
if (n == 2)
file = scm_to_julia_(fl_ctx, car_(cdr_(e)), mod);
temp = jl_new_struct(jl_linenumbernode_type, linenum, file);
JL_GC_POP();
return temp;
}
JL_GC_PUSH1(&ex);
if (sym == label_sym) {
ex = scm_to_julia_(fl_ctx, car_(e), mod);
temp = jl_new_struct(jl_labelnode_type, ex);
}
else if (sym == goto_sym) {
ex = scm_to_julia_(fl_ctx, car_(e), mod);
temp = jl_new_struct(jl_gotonode_type, ex);
}
else if (sym == newvar_sym) {
ex = scm_to_julia_(fl_ctx, car_(e), mod);
temp = jl_new_struct(jl_newvarnode_type, ex);
}
else if (sym == globalref_sym) {
ex = scm_to_julia_(fl_ctx, car_(e), mod);
temp = scm_to_julia_(fl_ctx, car_(cdr_(e)), mod);
assert(jl_is_module(ex));
assert(jl_is_symbol(temp));
temp = jl_module_globalref((jl_module_t*)ex, (jl_sym_t*)temp);
}
else if (sym == top_sym) {
assert(mod && "top should not be generated by the parser");
ex = scm_to_julia_(fl_ctx, car_(e), mod);
assert(jl_is_symbol(ex));
temp = jl_module_globalref(jl_base_relative_to(mod), (jl_sym_t*)ex);
}
else if (sym == core_sym) {
ex = scm_to_julia_(fl_ctx, car_(e), mod);
assert(jl_is_symbol(ex));
temp = jl_module_globalref(jl_core_module, (jl_sym_t*)ex);
}
else if (sym == inert_sym || (sym == quote_sym && (!iscons(car_(e))))) {
ex = scm_to_julia_(fl_ctx, car_(e), mod);
temp = jl_new_struct(jl_quotenode_type, ex);
}
if (temp) {
JL_GC_POP();
return temp;
}
ex = (jl_value_t*)jl_exprn(sym, n);
size_t i;
for (i = 0; i < n; i++) {
assert(iscons(e));
jl_array_ptr_set(((jl_expr_t*)ex)->args, i, scm_to_julia_(fl_ctx, car_(e), mod));
e = cdr_(e);
}
if (sym == lambda_sym)
ex = (jl_value_t*)jl_new_code_info_from_ast((jl_expr_t*)ex);
JL_GC_POP();
if (sym == list_sym)
return (jl_value_t*)((jl_expr_t*)ex)->args;
return (jl_value_t*)ex;
}
if (iscprim(e) && cp_class((cprim_t*)ptr(e)) == fl_ctx->wchartype) {
uint32_t c, u = *(uint32_t*)cp_data((cprim_t*)ptr(e));
if (u < 0x80) {
c = u << 24;
} else {
c = ((u << 0) & 0x0000003f) | ((u << 2) & 0x00003f00) |
((u << 4) & 0x003f0000) | ((u << 6) & 0x3f000000);
c = u < 0x00000800 ? (c << 16) | 0xc0800000 :
u < 0x00010000 ? (c << 8) | 0xe0808000 :
(c << 0) | 0xf0808080 ;
}
return jl_box_char(c);
}
if (iscvalue(e) && cv_class((cvalue_t*)ptr(e)) == jl_ast_ctx(fl_ctx)->jvtype) {
return *(jl_value_t**)cv_data((cvalue_t*)ptr(e));
}
jl_error("malformed tree");
}
static jl_value_t *eval(jl_value_t *e, interpreter_state *s)
{
jl_ptls_t ptls = jl_get_ptls_states();
jl_code_info_t *src = s==NULL ? NULL : s->src;
if (jl_is_ssavalue(e)) {
ssize_t id = ((jl_ssavalue_t*)e)->id;
if (id >= jl_source_nssavalues(src) || id < 0 || s->locals == NULL)
jl_error("access to invalid SSAValue");
else
return s->locals[jl_source_nslots(src) + id];
}
if (jl_is_slot(e)) {
ssize_t n = jl_slot_number(e);
if (n > jl_source_nslots(src) || n < 1 || s->locals == NULL)
jl_error("access to invalid slot number");
jl_value_t *v = s->locals[n-1];
if (v == NULL)
jl_undefined_var_error((jl_sym_t*)jl_array_ptr_ref(src->slotnames, n - 1));
return v;
}
if (jl_is_globalref(e)) {
jl_sym_t *s = jl_globalref_name(e);
jl_value_t *v = jl_get_global(jl_globalref_mod(e), s);
if (v == NULL)
jl_undefined_var_error(s);
return v;
}
if (jl_is_quotenode(e))
return jl_fieldref(e,0);
jl_module_t *modu = (s == NULL ? ptls->current_module : s->module);
if (jl_is_symbol(e)) { // bare symbols appear in toplevel exprs not wrapped in `thunk`
jl_value_t *v = jl_get_global(modu, (jl_sym_t*)e);
if (v == NULL)
jl_undefined_var_error((jl_sym_t*)e);
return v;
}
if (!jl_is_expr(e))
return e;
jl_expr_t *ex = (jl_expr_t*)e;
jl_value_t **args = (jl_value_t**)jl_array_data(ex->args);
size_t nargs = jl_array_len(ex->args);
if (ex->head == call_sym) {
return do_call(args, nargs, s);
}
else if (ex->head == invoke_sym) {
return do_invoke(args, nargs, s);
}
else if (ex->head == new_sym) {
jl_value_t *thetype = eval(args[0], s);
jl_value_t *v=NULL;
JL_GC_PUSH2(&thetype, &v);
assert(jl_is_structtype(thetype));
v = jl_new_struct_uninit((jl_datatype_t*)thetype);
for(size_t i=1; i < nargs; i++) {
jl_set_nth_field(v, i-1, eval(args[i], s));
}
JL_GC_POP();
return v;
}
else if (ex->head == static_parameter_sym) {
ssize_t n = jl_unbox_long(args[0]);
assert(n > 0);
if (s->sparam_vals && n <= jl_svec_len(s->sparam_vals)) {
jl_value_t *sp = jl_svecref(s->sparam_vals, n - 1);
if (!jl_is_typevar(sp))
return sp;
}
// static parameter val unknown needs to be an error for ccall
jl_error("could not determine static parameter value");
}
else if (ex->head == inert_sym) {
return args[0];
}
else if (ex->head == copyast_sym) {
return jl_copy_ast(eval(args[0], s));
}
else if (ex->head == exc_sym) {
return ptls->exception_in_transit;
}
else if (ex->head == method_sym) {
jl_sym_t *fname = (jl_sym_t*)args[0];
if (jl_is_globalref(fname)) {
modu = jl_globalref_mod(fname);
fname = jl_globalref_name(fname);
}
assert(jl_expr_nargs(ex) != 1 || jl_is_symbol(fname));
if (jl_is_symbol(fname)) {
jl_value_t **bp=NULL;
jl_value_t *bp_owner=NULL;
jl_binding_t *b=NULL;
if (bp == NULL) {
b = jl_get_binding_for_method_def(modu, fname);
bp = &b->value;
bp_owner = (jl_value_t*)modu;
}
jl_value_t *gf = jl_generic_function_def(fname, bp, bp_owner, b);
if (jl_expr_nargs(ex) == 1)
return gf;
}
jl_value_t *atypes=NULL, *meth=NULL;
JL_GC_PUSH2(&atypes, &meth);
atypes = eval(args[1], s);
meth = eval(args[2], s);
jl_method_def((jl_svec_t*)atypes, (jl_code_info_t*)meth, args[3]);
JL_GC_POP();
return jl_nothing;
}
else if (ex->head == const_sym) {
jl_sym_t *sym = (jl_sym_t*)args[0];
if (jl_is_globalref(sym)) {
modu = jl_globalref_mod(sym);
sym = jl_globalref_name(sym);
}
assert(jl_is_symbol(sym));
jl_binding_t *b = jl_get_binding_wr(modu, sym);
jl_declare_constant(b);
return (jl_value_t*)jl_nothing;
}
else if (ex->head == global_sym) {
// create uninitialized mutable binding for "global x" decl
// TODO: handle type decls
size_t i, l = jl_array_len(ex->args);
for (i = 0; i < l; i++) {
jl_sym_t *gsym = (jl_sym_t*)args[i];
jl_module_t *gmodu = modu;
if (jl_is_globalref(gsym)) {
gmodu = jl_globalref_mod(gsym);
gsym = jl_globalref_name(gsym);
}
assert(jl_is_symbol(gsym));
jl_get_binding_wr(gmodu, gsym);
}
return (jl_value_t*)jl_nothing;
}
else if (ex->head == abstracttype_sym) {
if (inside_typedef)
jl_error("cannot eval a new abstract type definition while defining another type");
jl_value_t *name = args[0];
jl_value_t *para = eval(args[1], s);
jl_value_t *super = NULL;
jl_value_t *temp = NULL;
jl_datatype_t *dt = NULL;
JL_GC_PUSH4(¶, &super, &temp, &dt);
assert(jl_is_svec(para));
if (jl_is_globalref(name)) {
modu = jl_globalref_mod(name);
name = (jl_value_t*)jl_globalref_name(name);
}
assert(jl_is_symbol(name));
dt = jl_new_abstracttype(name, NULL, (jl_svec_t*)para);
jl_binding_t *b = jl_get_binding_wr(modu, (jl_sym_t*)name);
temp = b->value;
check_can_assign_type(b);
b->value = (jl_value_t*)dt;
jl_gc_wb_binding(b, dt);
JL_TRY {
inside_typedef = 1;
super = eval(args[2], s);
jl_set_datatype_super(dt, super);
jl_reinstantiate_inner_types(dt);
}
JL_CATCH {
jl_reset_instantiate_inner_types(dt);
b->value = temp;
jl_rethrow();
}
b->value = temp;
if (temp == NULL || !equiv_type(dt, (jl_datatype_t*)temp)) {
jl_checked_assignment(b, (jl_value_t*)dt);
}
JL_GC_POP();
return (jl_value_t*)jl_nothing;
}
else if (ex->head == bitstype_sym) {
// parse and eval a whole file, possibly reading from a string (`content`)
jl_value_t *jl_parse_eval_all(const char *fname,
const char *content, size_t contentlen,
jl_module_t *inmodule)
{
jl_ptls_t ptls = jl_get_ptls_states();
if (ptls->in_pure_callback)
jl_error("cannot use include inside a generated function");
jl_ast_context_t *ctx = jl_ast_ctx_enter();
fl_context_t *fl_ctx = &ctx->fl;
value_t f, ast, expression;
size_t len = strlen(fname);
f = cvalue_static_cstrn(fl_ctx, fname, len);
fl_gc_handle(fl_ctx, &f);
if (content != NULL) {
JL_TIMING(PARSING);
value_t t = cvalue_static_cstrn(fl_ctx, content, contentlen);
fl_gc_handle(fl_ctx, &t);
ast = fl_applyn(fl_ctx, 2, symbol_value(symbol(fl_ctx, "jl-parse-string-stream")), t, f);
fl_free_gc_handles(fl_ctx, 1);
}
else {
JL_TIMING(PARSING);
assert(memchr(fname, 0, len) == NULL); // was checked already in jl_load
ast = fl_applyn(fl_ctx, 1, symbol_value(symbol(fl_ctx, "jl-parse-file")), f);
}
fl_free_gc_handles(fl_ctx, 1);
if (ast == fl_ctx->F) {
jl_ast_ctx_leave(ctx);
jl_errorf("could not open file %s", fname);
}
fl_gc_handle(fl_ctx, &ast);
fl_gc_handle(fl_ctx, &expression);
int last_lineno = jl_lineno;
const char *last_filename = jl_filename;
size_t last_age = jl_get_ptls_states()->world_age;
jl_lineno = 0;
jl_filename = fname;
jl_module_t *old_module = ctx->module;
ctx->module = inmodule;
jl_value_t *form = NULL;
jl_value_t *result = jl_nothing;
int err = 0;
JL_GC_PUSH2(&form, &result);
JL_TRY {
assert(iscons(ast) && car_(ast) == symbol(fl_ctx, "toplevel"));
ast = cdr_(ast);
while (iscons(ast)) {
expression = car_(ast);
{
JL_TIMING(LOWERING);
if (fl_ctx->T == fl_applyn(fl_ctx, 1, symbol_value(symbol(fl_ctx, "contains-macrocall")), expression)) {
form = scm_to_julia(fl_ctx, expression, inmodule);
form = jl_expand_macros(form, inmodule, NULL, 0);
expression = julia_to_scm(fl_ctx, form);
}
// expand non-final expressions in statement position (value unused)
expression =
fl_applyn(fl_ctx, 1,
symbol_value(symbol(fl_ctx, iscons(cdr_(ast)) ? "jl-expand-to-thunk-stmt" : "jl-expand-to-thunk")),
expression);
}
jl_get_ptls_states()->world_age = jl_world_counter;
form = scm_to_julia(fl_ctx, expression, inmodule);
JL_SIGATOMIC_END();
jl_get_ptls_states()->world_age = jl_world_counter;
if (jl_is_linenode(form))
jl_lineno = jl_linenode_line(form);
else
result = jl_toplevel_eval_flex(inmodule, form, 1, 1);
JL_SIGATOMIC_BEGIN();
ast = cdr_(ast);
}
}
JL_CATCH {
form = jl_pchar_to_string(fname, len);
result = jl_box_long(jl_lineno);
err = 1;
}
jl_get_ptls_states()->world_age = last_age;
jl_lineno = last_lineno;
jl_filename = last_filename;
fl_free_gc_handles(fl_ctx, 2);
ctx->module = old_module;
jl_ast_ctx_leave(ctx);
if (err) {
if (jl_loaderror_type == NULL)
jl_rethrow();
else
jl_rethrow_other(jl_new_struct(jl_loaderror_type, form, result,
ptls->exception_in_transit));
}
JL_GC_POP();
return result;
}