static mrb_value
exc_equal(mrb_state *mrb, mrb_value exc)
{
mrb_value obj;
mrb_value mesg;
mrb_bool equal_p;
mrb_sym id_mesg = mrb_intern2(mrb, "mesg", 4);
mrb_get_args(mrb, "o", &obj);
if (mrb_obj_equal(mrb, exc, obj)) {
equal_p = 1;
}
else {
if (mrb_obj_class(mrb, exc) != mrb_obj_class(mrb, obj)) {
if (mrb_respond_to(mrb, obj, mrb_intern2(mrb, "message", 7))) {
mesg = mrb_funcall(mrb, obj, "message", 0);
}
else
return mrb_false_value();
}
else {
mesg = mrb_attr_get(mrb, obj, id_mesg);
}
equal_p = mrb_equal(mrb, mrb_attr_get(mrb, exc, id_mesg), mesg);
}
return mrb_bool_value(equal_p);
}
static mrb_value
mrb_ary_equal(mrb_state *mrb, mrb_value ary1)
{
mrb_value ary2;
mrb_get_args(mrb, "o", &ary2);
if (mrb_obj_equal(mrb, ary1,ary2)) return mrb_true_value();
if (mrb_type(ary2) != MRB_TT_ARRAY) {
if (!mrb_respond_to(mrb, ary2, mrb_intern(mrb, "to_ary"))) {
return mrb_false_value();
}
if (mrb_equal(mrb, ary2, ary1)){
return mrb_true_value();
}
else {
return mrb_false_value();
}
}
if (RARRAY_LEN(ary1) != RARRAY_LEN(ary2)) return mrb_false_value();
else {
int i;
for (i=0; i<RARRAY_LEN(ary1); i++) {
if (!mrb_equal(mrb, ary_elt(ary1, i), ary_elt(ary2, i)))
return mrb_false_value();
}
return mrb_true_value();
}
}
MRB_API mrb_value
mrb_ary_splat(mrb_state *mrb, mrb_value v)
{
mrb_value a, recv_class;
if (mrb_array_p(v)) {
return v;
}
if (!mrb_respond_to(mrb, v, mrb_intern_lit(mrb, "to_a"))) {
return mrb_ary_new_from_values(mrb, 1, &v);
}
a = mrb_funcall(mrb, v, "to_a", 0);
if (mrb_array_p(a)) {
return a;
}
else if (mrb_nil_p(a)) {
return mrb_ary_new_from_values(mrb, 1, &v);
}
else {
recv_class = mrb_obj_value(mrb_obj_class(mrb, v));
mrb_raisef(mrb, E_TYPE_ERROR, "can't convert %S to Array (%S#to_a gives %S)",
recv_class,
recv_class,
mrb_obj_value(mrb_obj_class(mrb, a))
);
/* not reached */
return mrb_undef_value();
}
}
/*
* call-seq:
* obj.method_missing(symbol [, *args] ) -> result
*
* Invoked by Ruby when <i>obj</i> is sent a message it cannot handle.
* <i>symbol</i> is the symbol for the method called, and <i>args</i>
* are any arguments that were passed to it. By default, the interpreter
* raises an error when this method is called. However, it is possible
* to override the method to provide more dynamic behavior.
* If it is decided that a particular method should not be handled, then
* <i>super</i> should be called, so that ancestors can pick up the
* missing method.
* The example below creates
* a class <code>Roman</code>, which responds to methods with names
* consisting of roman numerals, returning the corresponding integer
* values.
*
* class Roman
* def romanToInt(str)
* # ...
* end
* def method_missing(methId)
* str = methId.id2name
* romanToInt(str)
* end
* end
*
* r = Roman.new
* r.iv #=> 4
* r.xxiii #=> 23
* r.mm #=> 2000
*/
static mrb_value
mrb_bob_missing(mrb_state *mrb, mrb_value mod)
{
mrb_value name, *a;
int alen;
mrb_value inspect;
mrb_get_args(mrb, "o*", &name, &a, &alen);
if (!mrb_symbol_p(name)) {
mrb_raise(mrb, E_TYPE_ERROR, "name should be a symbol");
}
if (mrb_respond_to(mrb,mod,mrb_intern2(mrb,"inspect",7))){
inspect = mrb_funcall(mrb, mod, "inspect", 0);
if (RSTRING_LEN(inspect) > 64) {
inspect = mrb_any_to_s(mrb, mod);
}
}
else {
inspect = mrb_any_to_s(mrb, mod);
}
mrb_raisef(mrb, E_NOMETHOD_ERROR, "undefined method '%S' for %S",
mrb_sym2str(mrb, mrb_symbol(name)), inspect);
/* not reached */
return mrb_nil_value();
}
static mrb_value
exc_equal(mrb_state *mrb, mrb_value exc)
{
mrb_value obj;
mrb_value mesg;
mrb_sym id_mesg = mrb_intern(mrb, "mesg");
mrb_get_args(mrb, "o", &obj);
if (mrb_obj_equal(mrb, exc, obj)) return mrb_true_value();
if (mrb_obj_class(mrb, exc) != mrb_obj_class(mrb, obj)) {
if ( mrb_respond_to(mrb, obj, mrb_intern(mrb, "message")) ) {
mesg = mrb_funcall(mrb, obj, "message", 0);
}
else
return mrb_false_value();
}
else {
mesg = mrb_attr_get(mrb, obj, id_mesg);
}
if (!mrb_equal(mrb, mrb_attr_get(mrb, exc, id_mesg), mesg))
return mrb_false_value();
return mrb_true_value();
}
static mrb_value
mrb_ary_equal(mrb_state *mrb, mrb_value ary1)
{
mrb_value ary2;
mrb_int i;
mrb_get_args(mrb, "o", &ary2);
if (mrb_obj_equal(mrb, ary1, ary2)) return mrb_true_value();
if (mrb_special_const_p(ary2)) return mrb_false_value();
if (!mrb_array_p(ary2)) {
if (!mrb_respond_to(mrb, ary2, mrb_intern2(mrb, "to_ary", 6))) {
return mrb_false_value();
}
else {
return mrb_bool_value(mrb_equal(mrb, ary2, ary1));
}
}
if (RARRAY_LEN(ary1) != RARRAY_LEN(ary2)) return mrb_false_value();
for (i=0; i<RARRAY_LEN(ary1); i++) {
if (!mrb_equal(mrb, ary_elt(ary1, i), ary_elt(ary2, i))) {
return mrb_false_value();
}
}
return mrb_true_value();
}
mrb_value
make_exception(mrb_state *mrb, int argc, mrb_value *argv, int isstr)
{
mrb_value mesg;
int n;
mesg = mrb_nil_value();
switch (argc) {
case 0:
break;
case 1:
if (mrb_nil_p(argv[0]))
break;
if (isstr) {
mesg = mrb_check_string_type(mrb, argv[0]);
if (!mrb_nil_p(mesg)) {
mesg = mrb_exc_new3(mrb, E_RUNTIME_ERROR, mesg);
break;
}
}
n = 0;
goto exception_call;
case 2:
case 3:
n = 1;
exception_call:
//if (argv[0] == sysstack_error) return argv[0];
//CONST_ID(mrb, exception, "exception");
//mesg = mrb_check_funcall(mrb, argv[0], exception, n, argv+1);
//if (mrb_nil_p(mesg)) {
// /* undef */
// mrb_raise(mrb, E_TYPE_ERROR, "exception class/object expected");
//}
if (mrb_respond_to(mrb, argv[0], mrb_intern(mrb, "exception"))) {
mesg = mrb_funcall_argv(mrb, argv[0], "exception", n, argv+1);
}
else {
/* undef */
mrb_raise(mrb, E_TYPE_ERROR, "exception class/object expected");
}
break;
default:
mrb_raise(mrb, E_ARGUMENT_ERROR, "wrong number of arguments (%d for 0..3)", argc);
break;
}
if (argc > 0) {
if (!mrb_obj_is_kind_of(mrb, mesg, mrb->eException_class))
mrb_raise(mrb, E_TYPE_ERROR, "exception object expected");
if (argc > 2)
set_backtrace(mrb, mesg, argv[2]);
}
return mesg;
}
/*
* Class: org_jamruby_mruby_RClass
* Method: n_respondTo
* Signature: (JLorg/jamruby/mruby/Value;J)Z
*/
JNIEXPORT jboolean JNICALL Java_org_jamruby_mruby_RClass_n_1respondTo
(JNIEnv *env, jclass, jlong mrb, jobject obj, jlong mid)
{
mrb_value obj_val;
if (!create_mrb_value(getEnv(), obj, obj_val)) {
return JNI_FALSE;
}
int const &ret = mrb_respond_to(to_ptr<mrb_state>(mrb), obj_val, static_cast<mrb_sym>(mid));
return (0 != ret) ? JNI_TRUE : JNI_FALSE;
}
static mrb_value
make_exception(mrb_state *mrb, int argc, const mrb_value *argv, mrb_bool isstr)
{
mrb_value mesg;
int n;
mesg = mrb_nil_value();
switch (argc) {
case 0:
break;
case 1:
if (mrb_nil_p(argv[0]))
break;
if (isstr) {
mesg = mrb_check_string_type(mrb, argv[0]);
if (!mrb_nil_p(mesg)) {
mesg = mrb_exc_new_str(mrb, E_RUNTIME_ERROR, mesg);
break;
}
}
n = 0;
goto exception_call;
case 2:
case 3:
n = 1;
exception_call:
{
mrb_sym exc = mrb_intern_lit(mrb, "exception");
if (mrb_respond_to(mrb, argv[0], exc)) {
mesg = mrb_funcall_argv(mrb, argv[0], exc, n, argv+1);
}
else {
/* undef */
mrb_raise(mrb, E_TYPE_ERROR, "exception class/object expected");
}
}
break;
default:
mrb_raisef(mrb, E_ARGUMENT_ERROR, "wrong number of arguments (%S for 0..3)", mrb_fixnum_value(argc));
break;
}
if (argc > 0) {
if (!mrb_obj_is_kind_of(mrb, mesg, mrb->eException_class))
mrb_raise(mrb, mrb->eException_class, "exception object expected");
if (argc > 2)
set_backtrace(mrb, mesg, argv[2]);
}
return mesg;
}
MRB_API mrb_value
mrb_ary_splat(mrb_state *mrb, mrb_value v)
{
if (mrb_array_p(v)) {
return v;
}
if (mrb_respond_to(mrb, v, mrb_intern_lit(mrb, "to_a"))) {
return mrb_funcall(mrb, v, "to_a", 0);
}
else {
return mrb_ary_new_from_values(mrb, 1, &v);
}
}
static void close_body_obj(h2o_mruby_generator_t *generator)
{
h2o_mruby_chunked_t *chunked = generator->chunked;
mrb_state *mrb = generator->ctx->shared->mrb;
if (!mrb_nil_p(chunked->body_obj)) {
/* call close and throw away error */
if (mrb_respond_to(mrb, chunked->body_obj, generator->ctx->shared->symbols.sym_close))
mrb_funcall_argv(mrb, chunked->body_obj, generator->ctx->shared->symbols.sym_close, 0, NULL);
mrb->exc = NULL;
mrb_gc_unregister(mrb, chunked->body_obj);
chunked->body_obj = mrb_nil_value();
}
}
static mrb_value
convert_type(mrb_state *mrb, mrb_value val, const char *tname, const char *method, mrb_bool raise)
{
mrb_sym m = 0;
m = mrb_intern_cstr(mrb, method);
if (!mrb_respond_to(mrb, val, m)) {
if (raise) {
mrb_raisef(mrb, E_TYPE_ERROR, "can't convert %S into %S", inspect_type(mrb, val), mrb_str_new_cstr(mrb, tname));
}
return mrb_nil_value();
}
return mrb_funcall_argv(mrb, val, m, 0, 0);
}
static mrb_value
hash_equal(mrb_state *mrb, mrb_value hash1, mrb_value hash2, mrb_bool eql)
{
khash_t(ht) *h1, *h2;
mrb_bool eq;
if (mrb_obj_equal(mrb, hash1, hash2)) return mrb_true_value();
if (!mrb_hash_p(hash2)) {
if (!mrb_respond_to(mrb, hash2, mrb_intern_lit(mrb, "to_hash"))) {
return mrb_false_value();
}
else {
if (eql) {
eq = mrb_eql(mrb, hash2, hash1);
}
else {
eq = mrb_equal(mrb, hash2, hash1);
}
return mrb_bool_value(eq);
}
}
h1 = RHASH_TBL(hash1);
h2 = RHASH_TBL(hash2);
if (!h1) {
return mrb_bool_value(!h2);
}
if (!h2) return mrb_false_value();
if (kh_size(h1) != kh_size(h2)) return mrb_false_value();
else {
khiter_t k1, k2;
mrb_value key;
for (k1 = kh_begin(h1); k1 != kh_end(h1); k1++) {
if (!kh_exist(h1, k1)) continue;
key = kh_key(h1,k1);
k2 = kh_get(ht, mrb, h2, key);
if (k2 != kh_end(h2)) {
if (eql)
eq = mrb_eql(mrb, kh_value(h1,k1), kh_value(h2,k2));
else
eq = mrb_equal(mrb, kh_value(h1,k1), kh_value(h2,k2));
if (eq) {
continue; /* next key */
}
}
return mrb_false_value();
}
}
return mrb_true_value();
}
static mrb_value
cfunc_call(mrb_state *mrb, mrb_value self)
{
int margc;
mrb_value mresult_type, mname, *margs;
mrb_get_args(mrb, "oo*", &mresult_type, &mname, &margs, &margc);
void *dlh = dlopen(NULL, RTLD_LAZY);
void *fp = dlsym(dlh, RSTRING_PTR(mname));
ffi_type **args = malloc(sizeof(ffi_type*) * margc);
void **values = malloc(sizeof(void*) * margc);
mrb_sym to_pointer = mrb_intern(mrb, "to_pointer");
for(int i = 0; i < margc; ++i) {
if(!mrb_respond_to(mrb, margs[i], to_pointer)) {
// Todo: should free some malloc-ed pointers
mrb_raise(mrb, E_TYPE_ERROR, "ignore argument type");
}
args[i] = mrb_value_to_mrb_ffi_type(mrb, margs[i])->ffi_type_value;
values[i] = mobi_pointer_ptr(mrb_funcall(mrb, margs[i], "to_pointer", 0));
}
ffi_type *result_type = rclass_to_mrb_ffi_type(mrb, mrb_class_ptr(mresult_type))->ffi_type_value;
if (result_type == NULL) {
mrb_raise(mrb, E_ARGUMENT_ERROR, "ignore return type");
}
mrb_value mresult = mrb_nil_value();
ffi_cif cif;
if (ffi_prep_cif(&cif, FFI_DEFAULT_ABI, margc, result_type, args) == FFI_OK) {
void *result = result_type->size ? malloc(result_type->size) : NULL;
ffi_call(&cif, fp, result, values);
if(result) {
mrb_value result_ptr = cfunc_pointer_new_with_pointer(mrb, result, 1);
mresult = mrb_funcall(mrb, mresult_type, "refer", 1, result_ptr);
}
}
else {
// todo
mrb_raise(mrb, E_NAME_ERROR, "can't find C function");
}
cfunc_call_exit:
free(values);
free(args);
return mresult;
}
static mrb_value
hash_equal(mrb_state *mrb, mrb_value hash1, mrb_value hash2, int eql)
{
if (mrb_obj_equal(mrb, hash1, hash2)) return mrb_true_value();
if (mrb_type(hash2) != MRB_TT_HASH) {
if (!mrb_respond_to(mrb, hash2, mrb_intern(mrb, "to_hash"))) {
return mrb_false_value();
}
if (eql)
return mrb_fixnum_value(mrb_eql(mrb, hash2, hash1));
else
return mrb_fixnum_value(mrb_equal(mrb, hash2, hash1));
}
if (RHASH_SIZE(hash1) != RHASH_SIZE(hash2)) return mrb_false_value();
if (!RHASH(hash1)->ht || !RHASH(hash2)->ht) return mrb_true_value();
return mrb_exec_recursive_paired(mrb, recursive_eql, hash1, hash2, (void*)0);
}
MRB_API mrb_value
mrb_ary_splat(mrb_state *mrb, mrb_value v)
{
mrb_value a;
if (mrb_array_p(v)) {
return v;
}
if (!mrb_respond_to(mrb, v, mrb_intern_lit(mrb, "to_a"))) {
return mrb_ary_new_from_values(mrb, 1, &v);
}
a = mrb_funcall(mrb, v, "to_a", 0);
if (mrb_nil_p(a)) {
return mrb_ary_new_from_values(mrb, 1, &v);
}
mrb_ensure_array_type(mrb, a);
return a;
}
static mrb_value
hash_equal(mrb_state *mrb, mrb_value hash1, mrb_value hash2, int eql)
{
khash_t(ht) *h1, *h2;
if (mrb_obj_equal(mrb, hash1, hash2)) return mrb_true_value();
if (mrb_type(hash2) != MRB_TT_HASH) {
if (!mrb_respond_to(mrb, hash2, mrb_intern(mrb, "to_hash"))) {
return mrb_false_value();
}
if (eql)
return mrb_fixnum_value(mrb_eql(mrb, hash2, hash1));
else
return mrb_fixnum_value(mrb_equal(mrb, hash2, hash1));
}
h1 = RHASH_TBL(hash1);
h2 = RHASH_TBL(hash2);
if (!h2) {
if (!h2) return mrb_true_value();
return mrb_false_value();
}
if (!h2) return mrb_false_value();
if (kh_size(h1) != kh_size(h2)) return mrb_false_value();
else {
khiter_t k1, k2;
mrb_value key;
for (k1 = kh_begin(h1); k1 != kh_end(h1); k1++) {
if (!kh_exist(h1, k1)) continue;
key = kh_key(h1,k1);
k2 = kh_get(ht, h2, key);
if (k2 != kh_end(h2)) {
if (mrb_equal(mrb, kh_value(h1,k1), kh_value(h2,k2))) {
continue; /* next key */
}
}
return mrb_false_value();
}
}
return mrb_true_value();
}
mrb_value
convert_type(mrb_state *mrb, mrb_value val, const char *tname, const char *method, int raise)
{
mrb_sym m = 0;
m = mrb_intern(mrb, method);
if (!mrb_respond_to(mrb, val, m)) {
if (raise) {
mrb_raise(mrb, E_TYPE_ERROR, "can't convert %s into %s",
mrb_nil_p(val) ? "nil" :
(mrb_type(val) == MRB_TT_TRUE) ? "true" :
(mrb_type(val) == MRB_TT_FALSE) ? "false" :
mrb_obj_classname(mrb, val),
tname);
return mrb_nil_value();
}
else {
return mrb_nil_value();
}
}
return mrb_funcall(mrb, val, method, 0);
}
static mrb_value
mrb_ary_equal(mrb_state *mrb, mrb_value ary1)
{
mrb_value ary2;
mrb_bool equal_p;
mrb_get_args(mrb, "o", &ary2);
if (mrb_obj_equal(mrb, ary1, ary2)) {
equal_p = 1;
}
else if (mrb_special_const_p(ary2)) {
equal_p = 0;
}
else if (!mrb_array_p(ary2)) {
if (!mrb_respond_to(mrb, ary2, mrb_intern2(mrb, "to_ary", 6))) {
equal_p = 0;
}
else {
equal_p = mrb_equal(mrb, ary2, ary1);
}
}
else if (RARRAY_LEN(ary1) != RARRAY_LEN(ary2)) {
equal_p = 0;
}
else {
mrb_int i;
equal_p = 1;
for (i=0; i<RARRAY_LEN(ary1); i++) {
if (!mrb_equal(mrb, ary_elt(ary1, i), ary_elt(ary2, i))) {
equal_p = 0;
break;
}
}
}
return mrb_bool_value(equal_p);
}
static mrb_value
const_get(mrb_state *mrb, struct RClass *base, mrb_sym sym)
{
struct RClass *c = base;
mrb_value v;
iv_tbl *t;
mrb_bool retry = 0;
mrb_sym cm;
L_RETRY:
while (c) {
if (c->iv) {
t = c->iv;
if (iv_get(mrb, t, sym, &v))
return v;
}
c = c->super;
}
if (!retry && base && base->tt == MRB_TT_MODULE) {
c = mrb->object_class;
retry = 1;
goto L_RETRY;
}
c = base;
cm = mrb_intern2(mrb, "const_missing", 13);
while (c) {
if (mrb_respond_to(mrb, mrb_obj_value(c), cm)) {
mrb_value name = mrb_symbol_value(sym);
return mrb_funcall_argv(mrb, mrb_obj_value(c), cm, 1, &name);
}
c = c->super;
}
mrb_raisef(mrb, E_NAME_ERROR, "uninitialized constant %s",
mrb_sym2name(mrb, sym));
/* not reached */
return mrb_nil_value();
}
int main()
{
mrb_state *mrb = mrb_open();
init_TestClass(mrb);
char code[] = "$t = Test.new; res = $t.run; p res";
printf("Executing Ruby code from C!\n");
auto c = mrbc_context_new(mrb);
auto p = mrb_parse_string(mrb, code, c);
auto n = mrb_generate_code(mrb, p);
// mrb_run(mrb, n, mrb_top_self(mrb));
unsigned stack_keep = 0;
auto result = mrb_vm_run(mrb,
n,
mrb_top_self(mrb),
stack_keep);
if (mrb->exc) // have exception
{
mrb_p(mrb, mrb_obj_value(mrb->exc));
mrb->exc = 0;
}
else
{
if (!mrb_respond_to(mrb, result, mrb_intern_lit(mrb, "inspect")))
result = mrb_any_to_s(mrb, result);
mrb_p(mrb, result);
}
mrbc_context_free(mrb, c);
mrb_close(mrb);
return 0;
}
static void
mrb_search_method_owner(mrb_state *mrb, struct RClass *c, mrb_value obj, mrb_sym name, struct RClass **owner, struct RProc **proc, mrb_bool unbound)
{
mrb_value ret;
const char *s;
*owner = c;
*proc = method_search_vm(mrb, owner, name);
if (!*proc) {
if (unbound) {
goto name_error;
}
if (!mrb_respond_to(mrb, obj, mrb_intern_lit(mrb, "respond_to_missing?"))) {
goto name_error;
}
ret = mrb_funcall(mrb, obj, "respond_to_missing?", 2, mrb_symbol_value(name), mrb_true_value());
if (!mrb_test(ret)) {
goto name_error;
}
*owner = c;
}
while ((*owner)->tt == MRB_TT_ICLASS)
*owner = (*owner)->c;
return;
name_error:
s = mrb_class_name(mrb, c);
mrb_raisef(
mrb, E_NAME_ERROR,
"undefined method `%S' for class `%S'",
mrb_sym2str(mrb, name),
mrb_str_new_static(mrb, s, strlen(s))
);
}
int
main(void)
{
char ruby_code[1024] = { 0 };
char last_code_line[1024] = { 0 };
#ifndef ENABLE_READLINE
int last_char;
int char_index;
#endif
mrbc_context *cxt;
struct mrb_parser_state *parser;
mrb_state *mrb;
mrb_value result;
int n;
int code_block_open = FALSE;
int ai;
print_hint();
/* new interpreter instance */
mrb = mrb_open();
if (mrb == NULL) {
fprintf(stderr, "Invalid mrb interpreter, exiting mirb");
return EXIT_FAILURE;
}
cxt = mrbc_context_new(mrb);
cxt->capture_errors = 1;
ai = mrb_gc_arena_save(mrb);
while (TRUE) {
#ifndef ENABLE_READLINE
print_cmdline(code_block_open);
char_index = 0;
while ((last_char = getchar()) != '\n') {
if (last_char == EOF) break;
last_code_line[char_index++] = last_char;
}
if (last_char == EOF) {
printf("\n");
break;
}
last_code_line[char_index] = '\0';
#else
char* line = readline(code_block_open ? "* " : "> ");
if(line == NULL) {
printf("\n");
break;
}
strncat(last_code_line, line, sizeof(last_code_line)-1);
add_history(line);
free(line);
#endif
if ((strcmp(last_code_line, "quit") == 0) || (strcmp(last_code_line, "exit") == 0)) {
if (!code_block_open) {
break;
}
else{
/* count the quit/exit commands as strings if in a quote block */
strcat(ruby_code, "\n");
strcat(ruby_code, last_code_line);
}
}
else {
if (code_block_open) {
strcat(ruby_code, "\n");
strcat(ruby_code, last_code_line);
}
else {
strcpy(ruby_code, last_code_line);
}
}
/* parse code */
parser = mrb_parser_new(mrb);
parser->s = ruby_code;
parser->send = ruby_code + strlen(ruby_code);
parser->lineno = 1;
mrb_parser_parse(parser, cxt);
code_block_open = is_code_block_open(parser);
if (code_block_open) {
/* no evaluation of code */
}
else {
if (0 < parser->nerr) {
/* syntax error */
printf("line %d: %s\n", parser->error_buffer[0].lineno, parser->error_buffer[0].message);
}
else {
/* generate bytecode */
n = mrb_generate_code(mrb, parser);
/* evaluate the bytecode */
result = mrb_run(mrb,
/* pass a proc for evaulation */
mrb_proc_new(mrb, mrb->irep[n]),
mrb_top_self(mrb));
/* did an exception occur? */
if (mrb->exc) {
p(mrb, mrb_obj_value(mrb->exc));
mrb->exc = 0;
}
else {
/* no */
printf(" => ");
if (!mrb_respond_to(mrb,result,mrb_intern(mrb,"inspect"))){
result = mrb_any_to_s(mrb,result);
}
p(mrb, result);
}
}
ruby_code[0] = '\0';
last_code_line[0] = '\0';
mrb_parser_free(parser);
mrb_gc_arena_restore(mrb, ai);
}
}
mrbc_context_free(mrb, cxt);
mrb_close(mrb);
return 0;
}
int
main(int argc, char **argv)
{
char ruby_code[1024] = { 0 };
char last_code_line[1024] = { 0 };
#ifndef ENABLE_READLINE
int last_char;
int char_index;
#else
char *home = NULL;
#endif
mrbc_context *cxt;
struct mrb_parser_state *parser;
mrb_state *mrb;
mrb_value result;
struct _args args;
int n;
mrb_bool code_block_open = FALSE;
mrb_value MIRB_BIN;
int ai;
unsigned int stack_keep = 0;
/* new interpreter instance */
mrb = mrb_open();
if (mrb == NULL) {
fputs("Invalid mrb interpreter, exiting mirb\n", stderr);
return EXIT_FAILURE;
}
mrb_define_global_const(mrb, "ARGV", mrb_ary_new_capa(mrb, 0));
n = parse_args(mrb, argc, argv, &args);
if (n == EXIT_FAILURE) {
cleanup(mrb, &args);
usage(argv[0]);
return n;
}
print_hint();
cxt = mrbc_context_new(mrb);
cxt->capture_errors = 1;
cxt->lineno = 1;
mrbc_filename(mrb, cxt, "(mirb)");
if (args.verbose) cxt->dump_result = 1;
MIRB_BIN= mrb_str_new(mrb, argv[0], strlen(argv[0]));
mrb_define_global_const(mrb, "MIRB_BIN", MIRB_BIN);
#ifdef ENABLE_REQUIRE
mrb_value LOAD_PATH = mrb_gv_get(mrb, mrb_intern(mrb, "$:"));
if (mrb_str_cmp(mrb, MIRB_BIN, mrb_str_new2(mrb, "mirb")) != 0) {
int len = strrchr(RSTRING_PTR(MIRB_BIN), '/') - RSTRING_PTR(MIRB_BIN);
mrb_value extdir = mrb_str_substr(mrb, mrb_str_dup(mrb, MIRB_BIN), 0, len);
mrb_str_cat2(mrb, extdir, "/../ext");
if (mrb_obj_eq(mrb, mrb_file_exist(mrb, extdir), mrb_true_value())) {
mrb_ary_push(mrb, LOAD_PATH, extdir);
}
}
#endif /* ENABLE_REQUIRE */
ai = mrb_gc_arena_save(mrb);
#ifdef ENABLE_READLINE
MIRB_USING_HISTORY();
home = getenv("HOME");
#ifdef _WIN32
if (!home)
home = getenv("USERPROFILE");
#endif
if (home) {
strcpy(history_path, home);
strcat(history_path, "/");
strcat(history_path, history_file_name);
MIRB_READ_HISTORY(history_path);
}
#endif
while (TRUE) {
#ifndef ENABLE_READLINE
print_cmdline(code_block_open);
char_index = 0;
while ((last_char = getchar()) != '\n') {
if (last_char == EOF) break;
last_code_line[char_index++] = last_char;
}
if (last_char == EOF) {
fputs("\n", stdout);
break;
}
last_code_line[char_index] = '\0';
#else
char* line = MIRB_READLINE(code_block_open ? "* " : "> ");
if (line == NULL) {
printf("\n");
break;
}
strncpy(last_code_line, line, sizeof(last_code_line)-1);
MIRB_ADD_HISTORY(line);
free(line);
#endif
if (code_block_open) {
strcat(ruby_code, "\n");
strcat(ruby_code, last_code_line);
}
else {
if ((strcmp(last_code_line, "quit") == 0) || (strcmp(last_code_line, "exit") == 0)) {
break;
}
strcpy(ruby_code, last_code_line);
}
/* parse code */
parser = mrb_parser_new(mrb);
parser->s = ruby_code;
parser->send = ruby_code + strlen(ruby_code);
parser->lineno = cxt->lineno;
mrb_parser_parse(parser, cxt);
code_block_open = is_code_block_open(parser);
if (code_block_open) {
/* no evaluation of code */
}
else {
if (0 < parser->nerr) {
/* syntax error */
printf("line %d: %s\n", parser->error_buffer[0].lineno, parser->error_buffer[0].message);
}
else {
/* generate bytecode */
struct RProc *proc = mrb_generate_code(mrb, parser);
if (args.verbose) {
mrb_codedump_all(mrb, proc);
}
/* pass a proc for evaulation */
/* evaluate the bytecode */
result = mrb_context_run(mrb,
proc,
mrb_top_self(mrb),
stack_keep);
stack_keep = proc->body.irep->nlocals;
/* did an exception occur? */
if (mrb->exc) {
p(mrb, mrb_obj_value(mrb->exc), 0);
mrb->exc = 0;
}
else {
/* no */
if (!mrb_respond_to(mrb, result, mrb_intern_lit(mrb, "inspect"))){
result = mrb_any_to_s(mrb,result);
}
p(mrb, result, 1);
}
}
ruby_code[0] = '\0';
last_code_line[0] = '\0';
mrb_gc_arena_restore(mrb, ai);
}
mrb_parser_free(parser);
cxt->lineno++;
}
mrbc_context_free(mrb, cxt);
mrb_close(mrb);
#ifdef ENABLE_READLINE
MIRB_WRITE_HISTORY(history_path);
#endif
return 0;
}
static mrb_value
mrb_sdl2_misc_bytebuffer_initialize(mrb_state *mrb, mrb_value self)
{
mrb_value arg;
mrb_get_args(mrb, "o", &arg);
mrb_sdl2_misc_buffer_data_t *data =
(mrb_sdl2_misc_buffer_data_t*)DATA_PTR(self);
if (NULL == data) {
data = (mrb_sdl2_misc_buffer_data_t*)mrb_malloc(mrb, sizeof(mrb_sdl2_misc_buffer_data_t));
if (NULL == data) {
mrb_raise(mrb, E_RUNTIME_ERROR, "insufficient memory.");
}
data->buffer = NULL;
data->size = 0;
}
enum mrb_vtype const arg_type = mrb_type(arg);
switch (arg_type) {
case MRB_TT_FIXNUM:
data->size = (size_t)mrb_fixnum(arg);
break;
case MRB_TT_FLOAT:
data->size = (size_t)mrb_float(arg);
break;
case MRB_TT_STRING:
data->size = (size_t)mrb_float(mrb_funcall(mrb, arg, "to_f", 0));
break;
case MRB_TT_ARRAY:
{
mrb_int const n = mrb_ary_len(mrb, arg);
if (0 == n) {
mrb_raise(mrb, E_ARGUMENT_ERROR, "cannot accept empty array.");
}
data->size = n * sizeof(uint8_t);
}
break;
default:
if (mrb_respond_to(mrb, arg, mrb_intern(mrb, "to_f", 4))) {
data->size = (size_t)mrb_float(mrb_funcall(mrb, arg, "to_f", 0));
} else if (mrb_respond_to(mrb, arg, mrb_intern(mrb, "to_i", 4))) {
data->size = (size_t)mrb_fixnum(mrb_funcall(mrb, arg, "to_i", 0));
} else {
mrb_raise(mrb, E_TYPE_ERROR, "expected Fixnum/Float/String/Array or comvertible type");
}
break;
}
data->buffer = mrb_malloc(mrb, data->size);
if (NULL == data->buffer) {
mrb_free(mrb, data);
mrb_raise(mrb, E_RUNTIME_ERROR, "insufficient memory.");
}
size_t i = 0;
for (i = 0; i < data->size/sizeof(uint8_t); ++i) {
((uint8_t*)data->buffer)[i] = 0;
}
if (arg_type == MRB_TT_ARRAY) {
mrb_int const n = mrb_ary_len(mrb, arg);
mrb_int i;
for (i = 0; i < n; ++i) {
mrb_value const item = mrb_ary_ref(mrb, arg, i);
switch (mrb_type(item)) {
case MRB_TT_FIXNUM:
((uint8_t*)data->buffer)[i] = (uint8_t)(mrb_fixnum(item) & 0xffu);
break;
case MRB_TT_FLOAT:
((uint8_t*)data->buffer)[i] = (uint8_t)((uint32_t)mrb_float(item) & 0xffu);
break;
case MRB_TT_STRING:
((uint8_t*)data->buffer)[i] = (uint8_t)((uint32_t)mrb_float(mrb_funcall(mrb, item, "to_f", 0)) & 0xffu);
break;
default:
if (mrb_respond_to(mrb, item, mrb_intern(mrb, "to_f", 4))) {
((uint8_t*)data->buffer)[i] = (uint8_t)((uint32_t)mrb_float(mrb_funcall(mrb, item, "to_f", 0)) & 0xffu);
} else if (mrb_respond_to(mrb, item, mrb_intern(mrb, "to_i", 4))) {
((uint8_t*)data->buffer)[i] = (uint8_t)(mrb_fixnum(mrb_funcall(mrb, item, "to_i", 0)) & 0xffu);
} else {
mrb_free(mrb, data->buffer);
mrb_free(mrb, data);
mrb_raise(mrb, E_TYPE_ERROR, "expected Fixnum/Float/String or convertible type");
}
break;
}
}
}
DATA_PTR(self) = data;
DATA_TYPE(self) = &mrb_sdl2_misc_buffer_data_type;
return self;
}
static inline mrb_bool
basic_obj_respond_to(mrb_state *mrb, mrb_value obj, mrb_sym id, int pub)
{
return mrb_respond_to(mrb, obj, id);
}
static mrb_value
cfunc_call(mrb_state *mrb, mrb_value self)
{
int margc;
mrb_value mresult_type, mname, *margs;
void **values = NULL;
ffi_type **args = NULL;
mrb_get_args(mrb, "oo*", &mresult_type, &mname, &margs, &margc);
void *fp = NULL;
if(mrb_string_p(mname) || mrb_symbol_p(mname)) {
void *dlh = dlopen(NULL, RTLD_LAZY);
fp = dlsym(dlh, mrb_string_value_ptr(mrb, mname));
dlclose(dlh);
}
else {
fp = cfunc_pointer_ptr(mname);
}
if(fp == NULL) {
mrb_raisef(mrb, E_NAME_ERROR, "can't find C function %s", mrb_string_value_ptr(mrb, mname));
goto cfunc_call_exit;
}
args = malloc(sizeof(ffi_type*) * margc);
values = malloc(sizeof(void*) * margc);
mrb_sym sym_to_ffi_value = mrb_intern(mrb, "to_ffi_value");
mrb_value nil_ary[1];
nil_ary[0] = mrb_nil_value();
for(int i = 0; i < margc; ++i) {
if(mrb_respond_to(mrb, margs[i], sym_to_ffi_value)) {
args[i] = mrb_value_to_mrb_ffi_type(mrb, margs[i])->ffi_type_value;
values[i] = cfunc_pointer_ptr(mrb_funcall_argv(mrb, margs[i], sym_to_ffi_value, 1, nil_ary));
}
else {
cfunc_mrb_raise_without_jump(mrb, E_TYPE_ERROR, "ignore argument type %s", mrb_obj_classname(mrb, margs[i]));
goto cfunc_call_exit;
}
}
ffi_type *result_type = rclass_to_mrb_ffi_type(mrb, mrb_class_ptr(mresult_type))->ffi_type_value;
if (result_type == NULL) {
cfunc_mrb_raise_without_jump(mrb, E_ARGUMENT_ERROR, "ignore return type %s", mrb_class_name(mrb, mrb_class_ptr(mresult_type)));
goto cfunc_call_exit;
}
mrb_value mresult = mrb_nil_value();
ffi_cif cif;
if (ffi_prep_cif(&cif, FFI_DEFAULT_ABI, margc, result_type, args) == FFI_OK) {
void *result;
if(result_type->size > sizeof(long)) {
result = malloc(result_type->size);
}
else if(result_type->size) {
result = malloc(sizeof(long));
}
else {
result = NULL;
}
ffi_call(&cif, fp, result, values);
if(result) {
mrb_value result_ptr = cfunc_pointer_new_with_pointer(mrb, result, true);
mresult = mrb_funcall(mrb, mresult_type, "refer", 1, result_ptr);
}
}
else {
mrb_raisef(mrb, E_NAME_ERROR, "Can't find C function %s", mname);
goto cfunc_call_exit;
}
cfunc_call_exit:
free(values);
free(args);
return mresult;
}
void loop() {
if (Serial.available() > 0) {
char_index = 0;
while (true) {
if (Serial.available() > 0) {
incommingByte = Serial.read();
if (incommingByte == 13) {
// New Line
last_code_line[char_index] = '\0';
break;
} else {
last_code_line[char_index++] = incommingByte;
Serial.write(incommingByte);
}
}
}
Serial.println("");
Serial.flush();
is_exit = false;
if ((strcmp(last_code_line, "quit") == 0) || (strcmp(last_code_line, "exit") == 0)) {
// Exit Interactive Mode
if (!code_block_open) {
is_exit = true;
} else {
/* count the quit/exit commands as strings if in a quote block */
strcat(ruby_code, "\n");
strcat(ruby_code, last_code_line);
is_exit = false;
}
} else {
if (code_block_open) {
strcat(ruby_code, "\n");
strcat(ruby_code, last_code_line);
is_exit = false;
} else {
strcpy(ruby_code, last_code_line);
is_exit = false;
}
}
if (!is_exit) {
// Not Exit or Quit!
/* parse code */
parser = mrb_parser_new(mrb);
parser->s = ruby_code;
parser->send = ruby_code + strlen(ruby_code);
parser->lineno = 1;
mrb_parser_parse(parser, cxt);
code_block_open = is_code_block_open(parser);
if (code_block_open) {
/* no evaluation of code */
}
else {
if (0 < parser->nerr) {
/* syntax error */
Serial.write("Syntax Error: ");
Serial.println(parser->error_buffer[0].message);
}
else {
/* generate bytecode */
n = mrb_generate_code(mrb, parser);
/* evaluate the bytecode */
result = mrb_run(mrb,
/* pass a proc for evaulation */
mrb_proc_new(mrb, mrb->irep[n]),
mrb_top_self(mrb));
/* did an exception occur? */
if (mrb->exc) {
/* yes */
p(mrb, mrb_obj_value(mrb->exc), 0);
mrb->exc = 0;
}
else {
/* no */
if (!mrb_respond_to(mrb,result,mrb_intern(mrb, "inspect"))){
result = mrb_any_to_s(mrb,result);
}
p(mrb, result, 1);
}
}
ruby_code[0] = '\0';
last_code_line[0] = '\0';
mrb_gc_arena_restore(mrb, ai);
}
mrb_parser_free(parser);
} else {
// User Enter 'exit' or 'quit'
Serial.println("quit IAS");
ruby_code[0] = '\0';
last_code_line[0] = '\0';
mrb_parser_free(parser);
mrbc_context_free(mrb, cxt);
mrb_close(mrb);
mrb_setup_arduino();
}
print_cmdline(code_block_open);
}
}
static inline int
basic_obj_respond_to(mrb_state *mrb, mrb_value obj, mrb_sym id, int pub)
{
return mrb_respond_to(mrb, obj, id);
//return TRUE;
}
int
main(int argc, char **argv)
{
char ruby_code[1024] = { 0 };
char last_code_line[1024] = { 0 };
#ifndef ENABLE_READLINE
int last_char;
int char_index;
#else
char *home = NULL;
#endif
mrbc_context *cxt;
struct mrb_parser_state *parser;
mrb_state *mrb;
mrb_value result;
struct _args args;
int n;
mrb_bool code_block_open = FALSE;
int ai;
mrb_bool first_command = TRUE;
unsigned int nregs;
/* new interpreter instance */
mrb = mrb_open();
if (mrb == NULL) {
fputs("Invalid mrb interpreter, exiting mirb\n", stderr);
return EXIT_FAILURE;
}
mrb_define_global_const(mrb, "ARGV", mrb_ary_new_capa(mrb, 0));
n = parse_args(mrb, argc, argv, &args);
if (n == EXIT_FAILURE) {
cleanup(mrb, &args);
usage(argv[0]);
return n;
}
print_hint();
cxt = mrbc_context_new(mrb);
cxt->capture_errors = 1;
cxt->lineno = 1;
mrbc_filename(mrb, cxt, "(mirb)");
if (args.verbose) cxt->dump_result = 1;
ai = mrb_gc_arena_save(mrb);
#ifdef ENABLE_READLINE
using_history();
home = getenv("HOME");
#ifdef _WIN32
if (!home)
home = getenv("USERPROFILE");
#endif
if (home) {
strcpy(history_path, home);
strcat(history_path, "/");
strcat(history_path, history_file_name);
read_history(history_path);
}
#endif
while (TRUE) {
#ifndef ENABLE_READLINE
print_cmdline(code_block_open);
char_index = 0;
while ((last_char = getchar()) != '\n') {
if (last_char == EOF) break;
last_code_line[char_index++] = last_char;
}
if (last_char == EOF) {
fputs("\n", stdout);
break;
}
last_code_line[char_index] = '\0';
#else
char* line = readline(code_block_open ? "* " : "> ");
if (line == NULL) {
printf("\n");
break;
}
strncpy(last_code_line, line, sizeof(last_code_line)-1);
add_history(line);
free(line);
#endif
if ((strcmp(last_code_line, "quit") == 0) || (strcmp(last_code_line, "exit") == 0)) {
if (!code_block_open) {
break;
}
else{
/* count the quit/exit commands as strings if in a quote block */
strcat(ruby_code, "\n");
strcat(ruby_code, last_code_line);
}
}
else {
if (code_block_open) {
strcat(ruby_code, "\n");
strcat(ruby_code, last_code_line);
}
else {
strcpy(ruby_code, last_code_line);
}
}
/* parse code */
parser = mrb_parser_new(mrb);
parser->s = ruby_code;
parser->send = ruby_code + strlen(ruby_code);
parser->lineno = cxt->lineno;
mrb_parser_parse(parser, cxt);
code_block_open = is_code_block_open(parser);
if (code_block_open) {
/* no evaluation of code */
}
else {
if (0 < parser->nerr) {
/* syntax error */
printf("line %d: %s\n", parser->error_buffer[0].lineno, parser->error_buffer[0].message);
}
else {
/* generate bytecode */
struct RProc *proc = mrb_generate_code(mrb, parser);
if (args.verbose) {
mrb_codedump_all(mrb, proc);
}
/* pass a proc for evaulation */
nregs = first_command ? 0: proc->body.irep->nregs;
/* evaluate the bytecode */
result = mrb_context_run(mrb,
proc,
mrb_top_self(mrb),
nregs);
/* did an exception occur? */
if (mrb->exc) {
p(mrb, mrb_obj_value(mrb->exc), 0);
mrb->exc = 0;
}
else {
/* no */
if (!mrb_respond_to(mrb, result, mrb_intern_lit(mrb, "inspect"))){
result = mrb_any_to_s(mrb,result);
}
p(mrb, result, 1);
}
}
ruby_code[0] = '\0';
last_code_line[0] = '\0';
mrb_gc_arena_restore(mrb, ai);
}
mrb_parser_free(parser);
cxt->lineno++;
first_command = FALSE;
}
mrbc_context_free(mrb, cxt);
mrb_close(mrb);
#ifdef ENABLE_READLINE
write_history(history_path);
#endif
return 0;
}
