/* mrb_gc_unregister() removes the object from GC root. */
MRB_API void
mrb_gc_unregister(mrb_state *mrb, mrb_value obj)
{
mrb_sym root = mrb_intern_lit(mrb, GC_ROOT_NAME);
mrb_value table = mrb_gv_get(mrb, root);
struct RArray *a;
mrb_int i;
if (mrb_nil_p(table)) return;
if (mrb_type(table) != MRB_TT_ARRAY) {
mrb_gv_set(mrb, root, mrb_nil_value());
return;
}
a = mrb_ary_ptr(table);
mrb_ary_modify(mrb, a);
for (i = 0; i < ARY_LEN(a); i++) {
if (mrb_obj_eq(mrb, ARY_PTR(a)[i], obj)) {
mrb_int len = ARY_LEN(a)-1;
mrb_value *ptr = ARY_PTR(a);
ARY_SET_LEN(a, len);
memmove(&ptr[i], &ptr[i + 1], (len - i) * sizeof(mrb_value));
break;
}
}
}
mrb_bool
mrb_equal(mrb_state *mrb, mrb_value obj1, mrb_value obj2)
{
mrb_value result;
if (mrb_obj_eq(mrb, obj1, obj2)) return TRUE;
result = mrb_funcall(mrb, obj1, "==", 1, obj2);
if (mrb_test(result)) return TRUE;
return FALSE;
}
mrb_value
num_eq_1(int val, mrb_value a, mrb_value b)
{
if (mrb_type(a) != MRB_TT_FIXNUM
&& mrb_type(a) != MRB_TT_FLOAT) {
return mrb_bool_value(mrb_obj_eq(mrb, a, b));
}
else {
OP_CMP(==);
}
}
int
mrb_equal(mrb_state *mrb, mrb_value obj1, mrb_value obj2)
{
mrb_value result;
if (mrb_obj_eq(mrb, obj1, obj2)) return TRUE;
result = mrb_funcall(mrb, obj1, "==", 1, obj2);
if (mrb_nil_p(result)) {
return FALSE;
}
else {
if (mrb_type(result) == MRB_TT_TRUE) {
return TRUE;
}
else {
return FALSE;
}
}
}
static mrb_value
Packer_initialize(mrb_state* mrb, mrb_value self)
{
mrb_value io = mrb_nil_value();
mrb_value options = mrb_nil_value();
mrb_value *argv;
int argc; /* Number of arguments */
mrb_get_args(mrb, "*", &argv, &argc);
if (argc == 0 || (argc == 1 && mrb_obj_eq(mrb, argv[0], mrb_nil_value()))) {
/* mrb_nil_value() */
} else if (argc == 1) {
puts("hash");
mrb_value v = argv[0];
if (mrb_type(v) == MRB_TT_HASH) {
options = v;
} else {
io = v;
}
} else if (argc == 2) {
io = argv[0];
options = argv[1];
if (mrb_type(options) != MRB_TT_HASH) {
mrb_raisef(mrb, E_ARGUMENT_ERROR, "expected Hash but found %S.", mrb_str_new_cstr(mrb, "classname"));
}
} else {
mrb_raisef(mrb, E_ARGUMENT_ERROR, "wrong number of arguments (%S for 0..1)", mrb_fixnum_value(argc));
}
self = Packer_alloc(mrb, mrb_class_ptr(self));
PACKER(mrb, self, pk);
if (!mrb_nil_p(io) || !mrb_nil_p(options)) {
MessagePack_Buffer_initialize(mrb, PACKER_BUFFER_(pk), io, options);
}
// TODO options
return self;
}
/* mrb_gc_unregister() removes the object from GC root. */
MRB_API void
mrb_gc_unregister(mrb_state *mrb, mrb_value obj)
{
mrb_sym root = mrb_intern_lit(mrb, GC_ROOT_NAME);
mrb_value table = mrb_gv_get(mrb, root);
struct RArray *a;
mrb_int i, j;
if (mrb_nil_p(table)) return;
if (mrb_type(table) != MRB_TT_ARRAY) {
mrb_gv_set(mrb, root, mrb_nil_value());
return;
}
a = mrb_ary_ptr(table);
mrb_ary_modify(mrb, a);
for (i=j=0; i<a->len; i++) {
if (!mrb_obj_eq(mrb, a->ptr[i], obj)) {
a->ptr[j++] = a->ptr[i];
}
}
a->len = j;
}
/* mrb_gc_unregister() removes the object from GC root. */
MRB_API void
mrb_gc_unregister(mrb_state *mrb, mrb_value obj)
{
mrb_sym root = mrb_intern_lit(mrb, GC_ROOT_NAME);
mrb_value table = mrb_gv_get(mrb, root);
struct RArray *a;
mrb_int i;
if (mrb_nil_p(table)) return;
if (mrb_type(table) != MRB_TT_ARRAY) {
mrb_gv_set(mrb, root, mrb_nil_value());
return;
}
a = mrb_ary_ptr(table);
mrb_ary_modify(mrb, a);
for (i = 0; i < a->len; i++) {
if (mrb_obj_eq(mrb, a->ptr[i], obj)) {
a->len--;
memmove(&a->ptr[i], &a->ptr[i + 1], (a->len - i) * sizeof(a->ptr[i]));
break;
}
}
}
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;
}
mrb_bool
mrb_eql(mrb_state *mrb, mrb_value obj1, mrb_value obj2)
{
if (mrb_obj_eq(mrb, obj1, obj2)) return TRUE;
return mrb_test(mrb_funcall(mrb, obj1, "eql?", 1, obj2));
}
mrb_bool
mrb_obj_equal(mrb_state *mrb, mrb_value v1, mrb_value v2)
{
/* temporary definition */
return mrb_obj_eq(mrb, v1, v2);
}
mrb_value
mrb_run(mrb_state *mrb, struct RProc *proc, mrb_value self)
{
/* assert(mrb_proc_cfunc_p(proc)) */
mrb_irep *irep = proc->body.irep;
mrb_code *pc = irep->iseq;
mrb_value *pool = irep->pool;
mrb_sym *syms = irep->syms;
mrb_value *regs = NULL;
mrb_code i;
int ai = mrb->arena_idx;
jmp_buf *prev_jmp = (jmp_buf *)mrb->jmp;
jmp_buf c_jmp;
#ifdef DIRECT_THREADED
static void *optable[] = {
&&L_OP_NOP, &&L_OP_MOVE,
&&L_OP_LOADL, &&L_OP_LOADI, &&L_OP_LOADSYM, &&L_OP_LOADNIL,
&&L_OP_LOADSELF, &&L_OP_LOADT, &&L_OP_LOADF,
&&L_OP_GETGLOBAL, &&L_OP_SETGLOBAL, &&L_OP_GETSPECIAL, &&L_OP_SETSPECIAL,
&&L_OP_GETIV, &&L_OP_SETIV, &&L_OP_GETCV, &&L_OP_SETCV,
&&L_OP_GETCONST, &&L_OP_SETCONST, &&L_OP_GETMCNST, &&L_OP_SETMCNST,
&&L_OP_GETUPVAR, &&L_OP_SETUPVAR,
&&L_OP_JMP, &&L_OP_JMPIF, &&L_OP_JMPNOT,
&&L_OP_ONERR, &&L_OP_RESCUE, &&L_OP_POPERR, &&L_OP_RAISE, &&L_OP_EPUSH, &&L_OP_EPOP,
&&L_OP_SEND, &&L_OP_SENDB, &&L_OP_FSEND,
&&L_OP_CALL, &&L_OP_SUPER, &&L_OP_ARGARY, &&L_OP_ENTER,
&&L_OP_KARG, &&L_OP_KDICT, &&L_OP_RETURN, &&L_OP_TAILCALL, &&L_OP_BLKPUSH,
&&L_OP_ADD, &&L_OP_ADDI, &&L_OP_SUB, &&L_OP_SUBI, &&L_OP_MUL, &&L_OP_DIV,
&&L_OP_EQ, &&L_OP_LT, &&L_OP_LE, &&L_OP_GT, &&L_OP_GE,
&&L_OP_ARRAY, &&L_OP_ARYCAT, &&L_OP_ARYPUSH, &&L_OP_AREF, &&L_OP_ASET, &&L_OP_APOST,
&&L_OP_STRING, &&L_OP_STRCAT, &&L_OP_HASH,
&&L_OP_LAMBDA, &&L_OP_RANGE, &&L_OP_OCLASS,
&&L_OP_CLASS, &&L_OP_MODULE, &&L_OP_EXEC,
&&L_OP_METHOD, &&L_OP_SCLASS, &&L_OP_TCLASS,
&&L_OP_DEBUG, &&L_OP_STOP, &&L_OP_ERR,
};
#endif
if (setjmp(c_jmp) == 0) {
mrb->jmp = &c_jmp;
}
else {
goto L_RAISE;
}
if (!mrb->stack) {
stack_init(mrb);
}
mrb->ci->proc = proc;
mrb->ci->nregs = irep->nregs + 2;
regs = mrb->stack;
regs[0] = self;
INIT_DISPATCH {
CASE(OP_NOP) {
/* do nothing */
NEXT;
}
CASE(OP_MOVE) {
/* A B R(A) := R(B) */
regs[GETARG_A(i)] = regs[GETARG_B(i)];
NEXT;
}
CASE(OP_LOADL) {
/* A Bx R(A) := Pool(Bx) */
regs[GETARG_A(i)] = pool[GETARG_Bx(i)];
NEXT;
}
CASE(OP_LOADI) {
/* A Bx R(A) := sBx */
SET_INT_VALUE(regs[GETARG_A(i)], GETARG_sBx(i));
NEXT;
}
CASE(OP_LOADSYM) {
/* A B R(A) := Sym(B) */
SET_SYM_VALUE(regs[GETARG_A(i)], syms[GETARG_Bx(i)]);
NEXT;
}
CASE(OP_LOADSELF) {
/* A R(A) := self */
regs[GETARG_A(i)] = regs[0];
NEXT;
}
CASE(OP_LOADT) {
/* A R(A) := true */
SET_TRUE_VALUE(regs[GETARG_A(i)]);
NEXT;
}
CASE(OP_LOADF) {
/* A R(A) := false */
SET_FALSE_VALUE(regs[GETARG_A(i)]);
NEXT;
}
CASE(OP_GETGLOBAL) {
/* A B R(A) := getglobal(Sym(B)) */
regs[GETARG_A(i)] = mrb_gv_get(mrb, syms[GETARG_Bx(i)]);
NEXT;
}
CASE(OP_SETGLOBAL) {
/* setglobal(Sym(b), R(A)) */
mrb_gv_set(mrb, syms[GETARG_Bx(i)], regs[GETARG_A(i)]);
NEXT;
}
CASE(OP_GETSPECIAL) {
/* A Bx R(A) := Special[Bx] */
regs[GETARG_A(i)] = mrb_vm_special_get(mrb, GETARG_Bx(i));
NEXT;
}
CASE(OP_SETSPECIAL) {
/* A Bx Special[Bx] := R(A) */
mrb_vm_special_set(mrb, GETARG_Bx(i), regs[GETARG_A(i)]);
NEXT;
}
CASE(OP_GETIV) {
/* A Bx R(A) := ivget(Bx) */
regs[GETARG_A(i)] = mrb_vm_iv_get(mrb, syms[GETARG_Bx(i)]);
NEXT;
}
CASE(OP_SETIV) {
/* ivset(Sym(B),R(A)) */
mrb_vm_iv_set(mrb, syms[GETARG_Bx(i)], regs[GETARG_A(i)]);
NEXT;
}
CASE(OP_GETCV) {
/* A B R(A) := ivget(Sym(B)) */
regs[GETARG_A(i)] = mrb_vm_cv_get(mrb, syms[GETARG_Bx(i)]);
NEXT;
}
CASE(OP_SETCV) {
/* ivset(Sym(B),R(A)) */
mrb_vm_cv_set(mrb, syms[GETARG_Bx(i)], regs[GETARG_A(i)]);
NEXT;
}
CASE(OP_GETCONST) {
/* A B R(A) := constget(Sym(B)) */
regs[GETARG_A(i)] = mrb_vm_const_get(mrb, syms[GETARG_Bx(i)]);
NEXT;
}
CASE(OP_SETCONST) {
/* A B constset(Sym(B),R(A)) */
mrb_vm_const_set(mrb, syms[GETARG_Bx(i)], regs[GETARG_A(i)]);
NEXT;
}
CASE(OP_GETMCNST) {
/* A B C R(A) := R(C)::Sym(B) */
int a = GETARG_A(i);
regs[a] = mrb_const_get(mrb, regs[a], syms[GETARG_Bx(i)]);
NEXT;
}
CASE(OP_SETMCNST) {
/* A B C R(A+1)::Sym(B) := R(A) */
int a = GETARG_A(i);
mrb_const_set(mrb, regs[a+1], syms[GETARG_Bx(i)], regs[a]);
NEXT;
}
CASE(OP_GETUPVAR) {
/* A B C R(A) := uvget(B,C) */
regs[GETARG_A(i)] = uvget(mrb, GETARG_C(i), GETARG_B(i));
NEXT;
}
CASE(OP_SETUPVAR) {
/* A B C uvset(B,C,R(A)) */
uvset(mrb, GETARG_C(i), GETARG_B(i), regs[GETARG_A(i)]);
NEXT;
}
CASE(OP_JMP) {
/* sBx pc+=sBx */
pc += GETARG_sBx(i);
JUMP;
}
CASE(OP_JMPIF) {
/* A sBx if R(A) pc+=sBx */
if (mrb_test(regs[GETARG_A(i)])) {
pc += GETARG_sBx(i);
JUMP;
}
NEXT;
}
CASE(OP_JMPNOT) {
/* A sBx if R(A) pc+=sBx */
if (!mrb_test(regs[GETARG_A(i)])) {
pc += GETARG_sBx(i);
JUMP;
}
NEXT;
}
CASE(OP_ONERR) {
/* sBx pc+=sBx on exception */
if (mrb->rsize <= mrb->ci->ridx) {
if (mrb->rsize == 0) mrb->rsize = 16;
else mrb->rsize *= 2;
mrb->rescue = (mrb_code **)mrb_realloc(mrb, mrb->rescue, sizeof(mrb_code*) * mrb->rsize);
}
mrb->rescue[mrb->ci->ridx++] = pc + GETARG_sBx(i);
NEXT;
}
CASE(OP_RESCUE) {
/* A R(A) := exc; clear(exc) */
SET_OBJ_VALUE(regs[GETARG_A(i)], mrb->exc);
mrb->exc = 0;
NEXT;
}
CASE(OP_POPERR) {
int a = GETARG_A(i);
while (a--) {
mrb->ci->ridx--;
}
NEXT;
}
CASE(OP_RAISE) {
/* A raise(R(A)) */
mrb->exc = (struct RObject*)mrb_object(regs[GETARG_A(i)]);
goto L_RAISE;
}
CASE(OP_EPUSH) {
/* Bx ensure_push(SEQ[Bx]) */
struct RProc *p;
p = mrb_closure_new(mrb, mrb->irep[irep->idx+GETARG_Bx(i)]);
/* push ensure_stack */
if (mrb->esize <= mrb->ci->eidx) {
if (mrb->esize == 0) mrb->esize = 16;
else mrb->esize *= 2;
mrb->ensure = (struct RProc **)mrb_realloc(mrb, mrb->ensure, sizeof(struct RProc*) * mrb->esize);
}
mrb->ensure[mrb->ci->eidx++] = p;
mrb->arena_idx = ai;
NEXT;
}
CASE(OP_EPOP) {
/* A A.times{ensure_pop().call} */
int n;
int a = GETARG_A(i);
for (n=0; n<a; n++) {
ecall(mrb, --mrb->ci->eidx);
}
mrb->arena_idx = ai;
NEXT;
}
CASE(OP_LOADNIL) {
/* A B R(A) := nil */
int a = GETARG_A(i);
SET_NIL_VALUE(regs[a]);
NEXT;
}
CASE(OP_SENDB) {
/* fall through */
};
L_SEND:
CASE(OP_SEND) {
/* A B C R(A) := call(R(A),Sym(B),R(A+1),... ,R(A+C-1)) */
int a = GETARG_A(i);
int n = GETARG_C(i);
struct RProc *m;
struct RClass *c;
mrb_callinfo *ci;
mrb_value recv, result;
mrb_sym mid = syms[GETARG_B(i)];
recv = regs[a];
if (GET_OPCODE(i) != OP_SENDB) {
if (n == CALL_MAXARGS) {
SET_NIL_VALUE(regs[a+2]);
}
else {
SET_NIL_VALUE(regs[a+n+1]);
}
}
c = mrb_class(mrb, recv);
m = mrb_method_search_vm(mrb, &c, mid);
if (!m) {
mrb_value sym = mrb_symbol_value(mid);
mid = mrb_intern(mrb, "method_missing");
m = mrb_method_search_vm(mrb, &c, mid);
if (n == CALL_MAXARGS) {
mrb_ary_unshift(mrb, regs[a+1], sym);
}
else {
memmove(regs+a+2, regs+a+1, sizeof(mrb_value)*(n+1));
regs[a+1] = sym;
n++;
}
}
/* push callinfo */
ci = cipush(mrb);
ci->mid = mid;
ci->proc = m;
ci->stackidx = mrb->stack - mrb->stbase;
ci->argc = n;
if (ci->argc == CALL_MAXARGS) ci->argc = -1;
ci->target_class = c;
ci->pc = pc + 1;
ci->acc = a;
/* prepare stack */
mrb->stack += a;
if (MRB_PROC_CFUNC_P(m)) {
if (n == CALL_MAXARGS) {
ci->nregs = 3;
}
else {
ci->nregs = n + 2;
}
result = m->body.func(mrb, recv);
mrb->stack[0] = result;
mrb->arena_idx = ai;
if (mrb->exc) goto L_RAISE;
/* pop stackpos */
regs = mrb->stack = mrb->stbase + mrb->ci->stackidx;
cipop(mrb);
NEXT;
}
else {
/* setup environment for calling method */
proc = mrb->ci->proc = m;
irep = m->body.irep;
pool = irep->pool;
syms = irep->syms;
ci->nregs = irep->nregs;
if (ci->argc < 0) {
stack_extend(mrb, (irep->nregs < 3) ? 3 : irep->nregs, 3);
}
else {
stack_extend(mrb, irep->nregs, ci->argc+2);
}
regs = mrb->stack;
pc = irep->iseq;
JUMP;
}
}
CASE(OP_FSEND) {
/* A B C R(A) := fcall(R(A),Sym(B),R(A+1),... ,R(A+C)) */
NEXT;
}
CASE(OP_CALL) {
/* A R(A) := self.call(frame.argc, frame.argv) */
mrb_callinfo *ci;
mrb_value recv = mrb->stack[0];
struct RProc *m = mrb_proc_ptr(recv);
/* replace callinfo */
ci = mrb->ci;
ci->target_class = m->target_class;
ci->proc = m;
if (m->env) {
if (m->env->mid) {
ci->mid = m->env->mid;
}
if (!m->env->stack) {
m->env->stack = mrb->stack;
}
}
/* prepare stack */
if (MRB_PROC_CFUNC_P(m)) {
recv = m->body.func(mrb, recv);
mrb->arena_idx = ai;
if (mrb->exc) goto L_RAISE;
/* pop stackpos */
ci = mrb->ci;
regs = mrb->stack = mrb->stbase + ci->stackidx;
regs[ci->acc] = recv;
pc = ci->pc;
cipop(mrb);
irep = mrb->ci->proc->body.irep;
pool = irep->pool;
syms = irep->syms;
JUMP;
}
else {
/* setup environment for calling method */
proc = m;
irep = m->body.irep;
if (!irep) {
mrb->stack[0] = mrb_nil_value();
goto L_RETURN;
}
pool = irep->pool;
syms = irep->syms;
ci->nregs = irep->nregs;
if (ci->argc < 0) {
stack_extend(mrb, (irep->nregs < 3) ? 3 : irep->nregs, 3);
}
else {
stack_extend(mrb, irep->nregs, ci->argc+2);
}
regs = mrb->stack;
regs[0] = m->env->stack[0];
pc = m->body.irep->iseq;
JUMP;
}
}
CASE(OP_SUPER) {
/* A B C R(A) := super(R(A+1),... ,R(A+C-1)) */
mrb_value recv;
mrb_callinfo *ci = mrb->ci;
struct RProc *m;
struct RClass *c;
mrb_sym mid = ci->mid;
int a = GETARG_A(i);
int n = GETARG_C(i);
recv = regs[0];
c = mrb->ci->target_class->super;
m = mrb_method_search_vm(mrb, &c, mid);
if (!m) {
mid = mrb_intern(mrb, "method_missing");
m = mrb_method_search_vm(mrb, &c, mid);
if (n == CALL_MAXARGS) {
mrb_ary_unshift(mrb, regs[a+1], mrb_symbol_value(ci->mid));
}
else {
memmove(regs+a+2, regs+a+1, sizeof(mrb_value)*(n+1));
SET_SYM_VALUE(regs[a+1], ci->mid);
n++;
}
}
/* push callinfo */
ci = cipush(mrb);
ci->mid = mid;
ci->proc = m;
ci->stackidx = mrb->stack - mrb->stbase;
ci->argc = n;
if (ci->argc == CALL_MAXARGS) ci->argc = -1;
ci->target_class = m->target_class;
ci->pc = pc + 1;
/* prepare stack */
mrb->stack += a;
mrb->stack[0] = recv;
if (MRB_PROC_CFUNC_P(m)) {
mrb->stack[0] = m->body.func(mrb, recv);
mrb->arena_idx = ai;
if (mrb->exc) goto L_RAISE;
/* pop stackpos */
regs = mrb->stack = mrb->stbase + mrb->ci->stackidx;
cipop(mrb);
NEXT;
}
else {
/* fill callinfo */
ci->acc = a;
/* setup environment for calling method */
ci->proc = m;
irep = m->body.irep;
pool = irep->pool;
syms = irep->syms;
ci->nregs = irep->nregs;
if (ci->argc < 0) {
stack_extend(mrb, (irep->nregs < 3) ? 3 : irep->nregs, 3);
}
else {
stack_extend(mrb, irep->nregs, ci->argc+2);
}
regs = mrb->stack;
pc = irep->iseq;
JUMP;
}
}
CASE(OP_ARGARY) {
/* A Bx R(A) := argument array (16=6:1:5:4) */
int a = GETARG_A(i);
int bx = GETARG_Bx(i);
int m1 = (bx>>10)&0x3f;
int r = (bx>>9)&0x1;
int m2 = (bx>>4)&0x1f;
int lv = (bx>>0)&0xf;
mrb_value *stack;
if (lv == 0) stack = regs + 1;
else {
struct REnv *e = uvenv(mrb, lv-1);
if (!e) {
mrb_value exc;
static const char m[] = "super called outside of method";
exc = mrb_exc_new(mrb, E_NOMETHOD_ERROR, m, sizeof(m) - 1);
mrb->exc = (struct RObject*)mrb_object(exc);
goto L_RAISE;
}
stack = e->stack + 1;
}
if (r == 0) {
regs[a] = mrb_ary_new_elts(mrb, m1+m2, stack);
}
else {
mrb_value *pp = NULL;
struct RArray *rest;
int len = 0;
if (mrb_type(stack[m1]) == MRB_TT_ARRAY) {
struct RArray *ary = mrb_ary_ptr(stack[m1]);
pp = ary->ptr;
len = ary->len;
}
regs[a] = mrb_ary_new_capa(mrb, m1+len+m2);
rest = mrb_ary_ptr(regs[a]);
stack_copy(rest->ptr, stack, m1);
if (len > 0) {
stack_copy(rest->ptr+m1, pp, len);
}
if (m2 > 0) {
stack_copy(rest->ptr+m1+len, stack+m1+1, m2);
}
rest->len = m1+len+m2;
}
regs[a+1] = stack[m1+r+m2];
mrb->arena_idx = ai;
NEXT;
}
CASE(OP_ENTER) {
/* Ax arg setup according to flags (24=5:5:1:5:5:1:1) */
/* number of optional arguments times OP_JMP should follow */
int ax = GETARG_Ax(i);
int m1 = (ax>>18)&0x1f;
int o = (ax>>13)&0x1f;
int r = (ax>>12)&0x1;
int m2 = (ax>>7)&0x1f;
/* unused
int k = (ax>>2)&0x1f;
int kd = (ax>>1)&0x1;
int b = (ax>>0)& 0x1;
*/
int argc = mrb->ci->argc;
mrb_value *argv = regs+1;
mrb_value *argv0 = argv;
int len = m1 + o + r + m2;
mrb_value *blk = &argv[argc < 0 ? 1 : argc];
if (argc < 0) {
struct RArray *ary = mrb_ary_ptr(regs[1]);
argv = ary->ptr;
argc = ary->len;
mrb_gc_protect(mrb, regs[1]);
}
if (mrb->ci->proc && MRB_PROC_STRICT_P(mrb->ci->proc)) {
if (argc >= 0) {
if (argc < m1 + m2 || (r == 0 && argc > len)) {
argnum_error(mrb, m1+m2);
goto L_RAISE;
}
}
}
else if (len > 1 && argc == 1 && mrb_type(argv[0]) == MRB_TT_ARRAY) {
argc = mrb_ary_ptr(argv[0])->len;
argv = mrb_ary_ptr(argv[0])->ptr;
}
mrb->ci->argc = len;
if (argc < len) {
regs[len+1] = *blk; /* move block */
if (argv0 != argv) {
memmove(®s[1], argv, sizeof(mrb_value)*(argc-m2)); /* m1 + o */
}
if (m2) {
memmove(®s[len-m2+1], &argv[argc-m2], sizeof(mrb_value)*m2); /* m2 */
}
if (r) { /* r */
regs[m1+o+1] = mrb_ary_new_capa(mrb, 0);
}
if (o == 0) pc++;
else
pc += argc - m1 - m2 + 1;
}
else {
if (argv0 != argv) {
memmove(®s[1], argv, sizeof(mrb_value)*(m1+o)); /* m1 + o */
}
if (r) { /* r */
regs[m1+o+1] = mrb_ary_new_elts(mrb, argc-m1-o-m2, argv+m1+o);
}
if (m2) {
memmove(®s[m1+o+r+1], &argv[argc-m2], sizeof(mrb_value)*m2);
}
regs[len+1] = *blk; /* move block */
pc += o + 1;
}
JUMP;
}
CASE(OP_KARG) {
/* A B C R(A) := kdict[Sym(B)]; if C kdict.rm(Sym(B)) */
/* if C == 2; raise unless kdict.empty? */
/* OP_JMP should follow to skip init code */
NEXT;
}
CASE(OP_KDICT) {
/* A C R(A) := kdict */
NEXT;
}
CASE(OP_RETURN) {
/* A return R(A) */
L_RETURN:
if (mrb->exc) {
mrb_callinfo *ci;
int eidx;
L_RAISE:
ci = mrb->ci;
eidx = mrb->ci->eidx;
if (ci == mrb->cibase) goto L_STOP;
while (ci[0].ridx == ci[-1].ridx) {
cipop(mrb);
ci = mrb->ci;
if (ci[1].acc < 0 && prev_jmp) {
mrb->jmp = prev_jmp;
longjmp(*(jmp_buf*)mrb->jmp, 1);
}
while (eidx > mrb->ci->eidx) {
ecall(mrb, --eidx);
}
if (ci == mrb->cibase) {
if (ci->ridx == 0) {
regs = mrb->stack = mrb->stbase;
goto L_STOP;
}
break;
}
}
irep = ci->proc->body.irep;
pool = irep->pool;
syms = irep->syms;
regs = mrb->stack = mrb->stbase + ci[1].stackidx;
pc = mrb->rescue[--ci->ridx];
}
else {
mrb_callinfo *ci = mrb->ci;
int acc, eidx = mrb->ci->eidx;
mrb_value v = regs[GETARG_A(i)];
switch (GETARG_B(i)) {
case OP_R_NORMAL:
NORMAL_RETURN:
if (ci == mrb->cibase) {
localjump_error(mrb, "return");
goto L_RAISE;
}
ci = mrb->ci;
break;
case OP_R_BREAK:
if (proc->env->cioff < 0) {
localjump_error(mrb, "break");
goto L_RAISE;
}
ci = mrb->ci = mrb->cibase + proc->env->cioff + 1;
break;
case OP_R_RETURN:
if (!proc->env) goto NORMAL_RETURN;
if (proc->env->cioff < 0) {
localjump_error(mrb, "return");
goto L_RAISE;
}
ci = mrb->ci = mrb->cibase + proc->env->cioff;
break;
default:
/* cannot happen */
break;
}
cipop(mrb);
acc = ci->acc;
pc = ci->pc;
regs = mrb->stack = mrb->stbase + ci->stackidx;
while (eidx > mrb->ci->eidx) {
ecall(mrb, --eidx);
}
if (acc < 0) {
mrb->jmp = prev_jmp;
return v;
}
DEBUG(printf("from :%s\n", mrb_sym2name(mrb, ci->mid)));
proc = mrb->ci->proc;
irep = proc->body.irep;
pool = irep->pool;
syms = irep->syms;
regs[acc] = v;
}
JUMP;
}
CASE(OP_TAILCALL) {
/* A B C return call(R(A),Sym(B),R(A+1),... ,R(A+C-1)) */
int a = GETARG_A(i);
int n = GETARG_C(i);
struct RProc *m;
struct RClass *c;
mrb_callinfo *ci;
mrb_value recv;
mrb_sym mid = syms[GETARG_B(i)];
recv = regs[a];
c = mrb_class(mrb, recv);
m = mrb_method_search_vm(mrb, &c, mid);
if (!m) {
mrb_value sym = mrb_symbol_value(mid);
mid = mrb_intern(mrb, "method_missing");
m = mrb_method_search_vm(mrb, &c, mid);
if (n == CALL_MAXARGS) {
mrb_ary_unshift(mrb, regs[a+1], sym);
}
else {
memmove(regs+a+2, regs+a+1, sizeof(mrb_value)*(n+1));
regs[a+1] = sym;
n++;
}
}
/* replace callinfo */
ci = mrb->ci;
ci->mid = mid;
ci->target_class = m->target_class;
ci->argc = n;
if (ci->argc == CALL_MAXARGS) ci->argc = -1;
/* move stack */
memmove(mrb->stack, ®s[a], (ci->argc+1)*sizeof(mrb_value));
if (MRB_PROC_CFUNC_P(m)) {
mrb->stack[0] = m->body.func(mrb, recv);
mrb->arena_idx = ai;
goto L_RETURN;
}
else {
/* setup environment for calling method */
irep = m->body.irep;
pool = irep->pool;
syms = irep->syms;
if (ci->argc < 0) {
stack_extend(mrb, (irep->nregs < 3) ? 3 : irep->nregs, 3);
}
else {
stack_extend(mrb, irep->nregs, ci->argc+2);
}
regs = mrb->stack;
pc = irep->iseq;
}
JUMP;
}
CASE(OP_BLKPUSH) {
/* A Bx R(A) := block (16=6:1:5:4) */
int a = GETARG_A(i);
int bx = GETARG_Bx(i);
int m1 = (bx>>10)&0x3f;
int r = (bx>>9)&0x1;
int m2 = (bx>>4)&0x1f;
int lv = (bx>>0)&0xf;
mrb_value *stack;
if (lv == 0) stack = regs + 1;
else {
struct REnv *e = uvenv(mrb, lv-1);
if (!e) {
localjump_error(mrb, "yield");
goto L_RAISE;
}
stack = e->stack + 1;
}
regs[a] = stack[m1+r+m2];
NEXT;
}
#define attr_i value.i
#ifdef MRB_NAN_BOXING
#define attr_f f
#else
#define attr_f value.f
#endif
#define TYPES2(a,b) (((((int)(a))<<8)|((int)(b)))&0xffff)
#define OP_MATH_BODY(op,v1,v2) do {\
regs[a].v1 = regs[a].v1 op regs[a+1].v2;\
} while(0)
CASE(OP_ADD) {
/* A B C R(A) := R(A)+R(A+1) (Syms[B]=:+,C=1)*/
int a = GETARG_A(i);
/* need to check if op is overridden */
switch (TYPES2(mrb_type(regs[a]),mrb_type(regs[a+1]))) {
case TYPES2(MRB_TT_FIXNUM,MRB_TT_FIXNUM):
{
mrb_int x, y, z;
x = mrb_fixnum(regs[a]);
y = mrb_fixnum(regs[a+1]);
z = x + y;
if (((x < 0) ^ (y < 0)) == 0 && (x < 0) != (z < 0)) {
/* integer overflow */
SET_FLT_VALUE(regs[a], (mrb_float)x + (mrb_float)y);
break;
}
SET_INT_VALUE(regs[a], z);
}
break;
case TYPES2(MRB_TT_FIXNUM,MRB_TT_FLOAT):
{
mrb_int x = mrb_fixnum(regs[a]);
mrb_float y = mrb_float(regs[a+1]);
SET_FLT_VALUE(regs[a], (mrb_float)x + y);
}
break;
case TYPES2(MRB_TT_FLOAT,MRB_TT_FIXNUM):
OP_MATH_BODY(+,attr_f,attr_i);
break;
case TYPES2(MRB_TT_FLOAT,MRB_TT_FLOAT):
OP_MATH_BODY(+,attr_f,attr_f);
break;
case TYPES2(MRB_TT_STRING,MRB_TT_STRING):
regs[a] = mrb_str_plus(mrb, regs[a], regs[a+1]);
break;
default:
goto L_SEND;
}
mrb->arena_idx = ai;
NEXT;
}
CASE(OP_SUB) {
/* A B C R(A) := R(A)-R(A+1) (Syms[B]=:-,C=1)*/
int a = GETARG_A(i);
/* need to check if op is overridden */
switch (TYPES2(mrb_type(regs[a]),mrb_type(regs[a+1]))) {
case TYPES2(MRB_TT_FIXNUM,MRB_TT_FIXNUM):
{
mrb_int x, y, z;
x = mrb_fixnum(regs[a]);
y = mrb_fixnum(regs[a+1]);
z = x - y;
if (((x < 0) ^ (y < 0)) == 0 && (x < 0) != (z < 0)) {
/* integer overflow */
SET_FLT_VALUE(regs[a], (mrb_float)x - (mrb_float)y);
break;
}
SET_INT_VALUE(regs[a], z);
}
break;
case TYPES2(MRB_TT_FIXNUM,MRB_TT_FLOAT):
{
mrb_int x = mrb_fixnum(regs[a]);
mrb_float y = mrb_float(regs[a+1]);
SET_FLT_VALUE(regs[a], (mrb_float)x - y);
}
break;
case TYPES2(MRB_TT_FLOAT,MRB_TT_FIXNUM):
OP_MATH_BODY(-,attr_f,attr_i);
break;
case TYPES2(MRB_TT_FLOAT,MRB_TT_FLOAT):
OP_MATH_BODY(-,attr_f,attr_f);
break;
default:
goto L_SEND;
}
NEXT;
}
CASE(OP_MUL) {
/* A B C R(A) := R(A)*R(A+1) (Syms[B]=:*,C=1)*/
int a = GETARG_A(i);
/* need to check if op is overridden */
switch (TYPES2(mrb_type(regs[a]),mrb_type(regs[a+1]))) {
case TYPES2(MRB_TT_FIXNUM,MRB_TT_FIXNUM):
{
mrb_int x, y, z;
x = mrb_fixnum(regs[a]);
y = mrb_fixnum(regs[a+1]);
z = x * y;
if (x != 0 && z/x != y) {
SET_FLT_VALUE(regs[a], (mrb_float)x * (mrb_float)y);
}
else {
SET_INT_VALUE(regs[a], z);
}
}
break;
case TYPES2(MRB_TT_FIXNUM,MRB_TT_FLOAT):
{
mrb_int x = mrb_fixnum(regs[a]);
mrb_float y = mrb_float(regs[a+1]);
SET_FLT_VALUE(regs[a], (mrb_float)x * y);
}
break;
case TYPES2(MRB_TT_FLOAT,MRB_TT_FIXNUM):
OP_MATH_BODY(*,attr_f,attr_i);
break;
case TYPES2(MRB_TT_FLOAT,MRB_TT_FLOAT):
OP_MATH_BODY(*,attr_f,attr_f);
break;
default:
goto L_SEND;
}
NEXT;
}
CASE(OP_DIV) {
/* A B C R(A) := R(A)/R(A+1) (Syms[B]=:/,C=1)*/
int a = GETARG_A(i);
/* need to check if op is overridden */
switch (TYPES2(mrb_type(regs[a]),mrb_type(regs[a+1]))) {
case TYPES2(MRB_TT_FIXNUM,MRB_TT_FIXNUM):
{
mrb_int x = mrb_fixnum(regs[a]);
mrb_int y = mrb_fixnum(regs[a+1]);
SET_FLT_VALUE(regs[a], (mrb_float)x / (mrb_float)y);
}
break;
case TYPES2(MRB_TT_FIXNUM,MRB_TT_FLOAT):
{
mrb_int x = mrb_fixnum(regs[a]);
mrb_float y = mrb_float(regs[a+1]);
SET_FLT_VALUE(regs[a], (mrb_float)x / y);
}
break;
case TYPES2(MRB_TT_FLOAT,MRB_TT_FIXNUM):
OP_MATH_BODY(/,attr_f,attr_i);
break;
case TYPES2(MRB_TT_FLOAT,MRB_TT_FLOAT):
OP_MATH_BODY(/,attr_f,attr_f);
break;
default:
goto L_SEND;
}
NEXT;
}
CASE(OP_ADDI) {
/* A B C R(A) := R(A)+C (Syms[B]=:+)*/
int a = GETARG_A(i);
/* need to check if + is overridden */
switch (mrb_type(regs[a])) {
case MRB_TT_FIXNUM:
{
mrb_int x = regs[a].attr_i;
mrb_int y = GETARG_C(i);
mrb_int z = x + y;
if (((x < 0) ^ (y < 0)) == 0 && (x < 0) != (z < 0)) {
/* integer overflow */
SET_FLT_VALUE(regs[a], (mrb_float)x + (mrb_float)y);
break;
}
regs[a].attr_i = z;
}
break;
case MRB_TT_FLOAT:
regs[a].attr_f += GETARG_C(i);
break;
default:
SET_INT_VALUE(regs[a+1], GETARG_C(i));
i = MKOP_ABC(OP_SEND, a, GETARG_B(i), 1);
goto L_SEND;
}
NEXT;
}
CASE(OP_SUBI) {
/* A B C R(A) := R(A)-C (Syms[B]=:+)*/
int a = GETARG_A(i);
/* need to check if + is overridden */
switch (mrb_type(regs[a])) {
case MRB_TT_FIXNUM:
{
mrb_int x = regs[a].attr_i;
mrb_int y = GETARG_C(i);
mrb_int z = x - y;
if (((x < 0) ^ (y < 0)) == 0 && (x < 0) != (z < 0)) {
/* integer overflow */
SET_FLT_VALUE(regs[a], (mrb_float)x - (mrb_float)y);
break;
}
regs[a].attr_i = z;
}
break;
case MRB_TT_FLOAT:
regs[a].attr_f -= GETARG_C(i);
break;
default:
SET_INT_VALUE(regs[a+1], GETARG_C(i));
i = MKOP_ABC(OP_SEND, a, GETARG_B(i), 1);
goto L_SEND;
}
NEXT;
}
#define OP_CMP_BODY(op,v1,v2) do {\
if (regs[a].v1 op regs[a+1].v2) {\
SET_TRUE_VALUE(regs[a]);\
}\
else {\
SET_FALSE_VALUE(regs[a]);\
}\
} while(0)
#define OP_CMP(op) do {\
int a = GETARG_A(i);\
/* need to check if - is overridden */\
switch (TYPES2(mrb_type(regs[a]),mrb_type(regs[a+1]))) {\
case TYPES2(MRB_TT_FIXNUM,MRB_TT_FIXNUM):\
OP_CMP_BODY(op,attr_i,attr_i);\
break;\
case TYPES2(MRB_TT_FIXNUM,MRB_TT_FLOAT):\
OP_CMP_BODY(op,attr_i,attr_f);\
break;\
case TYPES2(MRB_TT_FLOAT,MRB_TT_FIXNUM):\
OP_CMP_BODY(op,attr_f,attr_i);\
break;\
case TYPES2(MRB_TT_FLOAT,MRB_TT_FLOAT):\
OP_CMP_BODY(op,attr_f,attr_f);\
break;\
default:\
goto L_SEND;\
}\
} while (0)
CASE(OP_EQ) {
/* A B C R(A) := R(A)<R(A+1) (Syms[B]=:<,C=1)*/
int a = GETARG_A(i);
if (mrb_obj_eq(mrb, regs[a], regs[a+1])) {
SET_TRUE_VALUE(regs[a]);
}
else {
OP_CMP(==);
}
NEXT;
}
CASE(OP_LT) {
/* A B C R(A) := R(A)<R(A+1) (Syms[B]=:<,C=1)*/
OP_CMP(<);
NEXT;
}
CASE(OP_LE) {
/* A B C R(A) := R(A)<R(A+1) (Syms[B]=:<,C=1)*/
OP_CMP(<=);
NEXT;
}
CASE(OP_GT) {
/* A B C R(A) := R(A)<R(A+1) (Syms[B]=:<,C=1)*/
OP_CMP(>);
NEXT;
}
CASE(OP_GE) {
/* A B C R(A) := R(A)<R(A+1) (Syms[B]=:<,C=1)*/
OP_CMP(>=);
NEXT;
}
CASE(OP_ARRAY) {
/* A B C R(A) := ary_new(R(B),R(B+1)..R(B+C)) */
regs[GETARG_A(i)] = mrb_ary_new_from_values(mrb, GETARG_C(i), ®s[GETARG_B(i)]);
mrb->arena_idx = ai;
NEXT;
}
CASE(OP_ARYCAT) {
/* A B mrb_ary_concat(R(A),R(B)) */
mrb_ary_concat(mrb, regs[GETARG_A(i)],
mrb_ary_splat(mrb, regs[GETARG_B(i)]));
mrb->arena_idx = ai;
NEXT;
}
CASE(OP_ARYPUSH) {
/* A B R(A).push(R(B)) */
mrb_ary_push(mrb, regs[GETARG_A(i)], regs[GETARG_B(i)]);
NEXT;
}
CASE(OP_AREF) {
/* A B C R(A) := R(B)[C] */
int a = GETARG_A(i);
int c = GETARG_C(i);
mrb_value v = regs[GETARG_B(i)];
if (mrb_type(v) != MRB_TT_ARRAY) {
if (c == 0) {
regs[GETARG_A(i)] = v;
}
else {
SET_NIL_VALUE(regs[a]);
}
}
else {
regs[GETARG_A(i)] = mrb_ary_ref(mrb, v, c);
}
NEXT;
}
CASE(OP_ASET) {
/* A B C R(B)[C] := R(A) */
mrb_ary_set(mrb, regs[GETARG_B(i)], GETARG_C(i), regs[GETARG_A(i)]);
NEXT;
}
CASE(OP_APOST) {
/* A B C *R(A),R(A+1)..R(A+C) := R(A) */
int a = GETARG_A(i);
mrb_value v = regs[a];
int pre = GETARG_B(i);
int post = GETARG_C(i);
if (mrb_type(v) != MRB_TT_ARRAY) {
regs[a++] = mrb_ary_new_capa(mrb, 0);
while (post--) {
SET_NIL_VALUE(regs[a]);
a++;
}
}
else {
struct RArray *ary = mrb_ary_ptr(v);
int len = ary->len;
int i;
if (len > pre + post) {
regs[a++] = mrb_ary_new_elts(mrb, len - pre - post, ary->ptr+pre);
while (post--) {
regs[a++] = ary->ptr[len-post-1];
}
}
else {
regs[a++] = mrb_ary_new_capa(mrb, 0);
for (i=0; i+pre<len; i++) {
regs[a+i] = ary->ptr[pre+i];
}
while (i < post) {
SET_NIL_VALUE(regs[a+i]);
i++;
}
}
}
mrb->arena_idx = ai;
NEXT;
}
CASE(OP_STRING) {
/* A Bx R(A) := str_new(Lit(Bx)) */
regs[GETARG_A(i)] = mrb_str_literal(mrb, pool[GETARG_Bx(i)]);
mrb->arena_idx = ai;
NEXT;
}
CASE(OP_STRCAT) {
/* A B R(A).concat(R(B)) */
mrb_str_concat(mrb, regs[GETARG_A(i)], regs[GETARG_B(i)]);
NEXT;
}
CASE(OP_HASH) {
/* A B C R(A) := hash_new(R(B),R(B+1)..R(B+C)) */
int b = GETARG_B(i);
int c = GETARG_C(i);
int lim = b+c*2;
mrb_value hash = mrb_hash_new_capa(mrb, c);
while (b < lim) {
mrb_hash_set(mrb, hash, regs[b], regs[b+1]);
b+=2;
}
regs[GETARG_A(i)] = hash;
mrb->arena_idx = ai;
NEXT;
}
CASE(OP_LAMBDA) {
/* A b c R(A) := lambda(SEQ[b],c) (b:c = 14:2) */
struct RProc *p;
int c = GETARG_c(i);
if (c & OP_L_CAPTURE) {
p = mrb_closure_new(mrb, mrb->irep[irep->idx+GETARG_b(i)]);
}
else {
p = mrb_proc_new(mrb, mrb->irep[irep->idx+GETARG_b(i)]);
}
if (c & OP_L_STRICT) p->flags |= MRB_PROC_STRICT;
regs[GETARG_A(i)] = mrb_obj_value(p);
mrb->arena_idx = ai;
NEXT;
}
CASE(OP_OCLASS) {
/* A R(A) := ::Object */
regs[GETARG_A(i)] = mrb_obj_value(mrb->object_class);
NEXT;
}
CASE(OP_CLASS) {
/* A B R(A) := newclass(R(A),Sym(B),R(A+1)) */
struct RClass *c = 0;
int a = GETARG_A(i);
mrb_value base, super;
mrb_sym id = syms[GETARG_B(i)];
base = regs[a];
super = regs[a+1];
if (mrb_nil_p(base)) {
base = mrb_obj_value(mrb->ci->target_class);
}
c = mrb_vm_define_class(mrb, base, super, id);
regs[a] = mrb_obj_value(c);
mrb->arena_idx = ai;
NEXT;
}
CASE(OP_MODULE) {
/* A B R(A) := newmodule(R(A),Sym(B)) */
struct RClass *c = 0;
int a = GETARG_A(i);
mrb_value base;
mrb_sym id = syms[GETARG_B(i)];
base = regs[a];
if (mrb_nil_p(base)) {
base = mrb_obj_value(mrb->ci->target_class);
}
c = mrb_vm_define_module(mrb, base, id);
regs[a] = mrb_obj_value(c);
mrb->arena_idx = ai;
NEXT;
}
CASE(OP_EXEC) {
/* A Bx R(A) := blockexec(R(A),SEQ[Bx]) */
int a = GETARG_A(i);
mrb_callinfo *ci;
mrb_value recv = regs[a];
struct RProc *p;
/* prepare stack */
ci = cipush(mrb);
ci->pc = pc + 1;
ci->acc = a;
ci->mid = 0;
ci->stackidx = mrb->stack - mrb->stbase;
ci->argc = 0;
ci->target_class = mrb_class_ptr(recv);
/* prepare stack */
mrb->stack += a;
p = mrb_proc_new(mrb, mrb->irep[irep->idx+GETARG_Bx(i)]);
p->target_class = ci->target_class;
ci->proc = p;
if (MRB_PROC_CFUNC_P(p)) {
mrb->stack[0] = p->body.func(mrb, recv);
mrb->arena_idx = ai;
if (mrb->exc) goto L_RAISE;
/* pop stackpos */
regs = mrb->stack = mrb->stbase + mrb->ci->stackidx;
cipop(mrb);
NEXT;
}
else {
irep = p->body.irep;
pool = irep->pool;
syms = irep->syms;
stack_extend(mrb, irep->nregs, 1);
ci->nregs = irep->nregs;
regs = mrb->stack;
pc = irep->iseq;
JUMP;
}
}
CASE(OP_METHOD) {
/* A B R(A).newmethod(Sym(B),R(A+1)) */
int a = GETARG_A(i);
struct RClass *c = mrb_class_ptr(regs[a]);
mrb_define_method_vm(mrb, c, syms[GETARG_B(i)], regs[a+1]);
mrb->arena_idx = ai;
NEXT;
}
CASE(OP_SCLASS) {
/* A B R(A) := R(B).singleton_class */
regs[GETARG_A(i)] = mrb_singleton_class(mrb, regs[GETARG_B(i)]);
mrb->arena_idx = ai;
NEXT;
}
CASE(OP_TCLASS) {
/* A B R(A) := target_class */
if (!mrb->ci->target_class) {
static const char msg[] = "no target class or module";
mrb_value exc = mrb_exc_new(mrb, E_TYPE_ERROR, msg, sizeof(msg) - 1);
mrb->exc = (struct RObject*)mrb_object(exc);
goto L_RAISE;
}
regs[GETARG_A(i)] = mrb_obj_value(mrb->ci->target_class);
NEXT;
}
CASE(OP_RANGE) {
/* A B C R(A) := range_new(R(B),R(B+1),C) */
int b = GETARG_B(i);
regs[GETARG_A(i)] = mrb_range_new(mrb, regs[b], regs[b+1], GETARG_C(i));
mrb->arena_idx = ai;
NEXT;
}
CASE(OP_DEBUG) {
/* A debug print R(A),R(B),R(C) */
#ifdef ENABLE_STDIO
printf("OP_DEBUG %d %d %d\n", GETARG_A(i), GETARG_B(i), GETARG_C(i));
#else
abort();
#endif
NEXT;
}
CASE(OP_STOP) {
/* stop VM */
L_STOP:
{
int n = mrb->ci->eidx;
while (n--) {
ecall(mrb, n);
}
}
mrb->jmp = prev_jmp;
if (mrb->exc) {
return mrb_obj_value(mrb->exc);
}
return regs[irep->nlocals];
}
CASE(OP_ERR) {
/* Bx raise RuntimeError with message Lit(Bx) */
mrb_value msg = pool[GETARG_Bx(i)];
mrb_value exc;
if (GETARG_A(i) == 0) {
exc = mrb_exc_new3(mrb, E_RUNTIME_ERROR, msg);
}
else {
exc = mrb_exc_new3(mrb, E_LOCALJUMP_ERROR, msg);
}
mrb->exc = (struct RObject*)mrb_object(exc);
goto L_RAISE;
}
}
END_DISPATCH;
}
static mrb_value http_request_method(mrb_state *mrb, mrb_value self)
{
h2o_mruby_generator_t *generator;
struct st_h2o_mruby_http_request_context_t *ctx;
const char *arg_url;
mrb_int arg_url_len;
mrb_value arg_hash;
h2o_iovec_t method;
h2o_url_t url;
/* parse args */
arg_hash = mrb_nil_value();
mrb_get_args(mrb, "s|H", &arg_url, &arg_url_len, &arg_hash);
/* precond check */
if ((generator = h2o_mruby_current_generator) == NULL || generator->req == NULL)
mrb_exc_raise(mrb, create_downstream_closed_exception(mrb));
/* allocate context and initialize */
ctx = h2o_mem_alloc_shared(&generator->req->pool, sizeof(*ctx), on_dispose);
memset(ctx, 0, sizeof(*ctx));
ctx->generator = generator;
ctx->receiver = mrb_nil_value();
h2o_buffer_init(&ctx->req.buf, &h2o_socket_buffer_prototype);
h2o_buffer_init(&ctx->resp.after_closed, &h2o_socket_buffer_prototype);
ctx->refs.request = mrb_nil_value();
ctx->refs.input_stream = mrb_nil_value();
/* uri */
if (h2o_url_parse(arg_url, arg_url_len, &url) != 0)
mrb_raise(mrb, E_ARGUMENT_ERROR, "invaild URL");
/* method */
method = h2o_iovec_init(H2O_STRLIT("GET"));
if (mrb_hash_p(arg_hash)) {
mrb_value t = mrb_hash_get(mrb, arg_hash, mrb_symbol_value(generator->ctx->symbols.sym_method));
if (!mrb_nil_p(t)) {
t = mrb_str_to_str(mrb, t);
method = h2o_iovec_init(RSTRING_PTR(t), RSTRING_LEN(t));
}
}
/* start building the request */
h2o_buffer_reserve(&ctx->req.buf, method.len + 1);
append_to_buffer(&ctx->req.buf, method.base, method.len);
append_to_buffer(&ctx->req.buf, H2O_STRLIT(" "));
h2o_buffer_reserve(&ctx->req.buf,
url.path.len + url.authority.len + sizeof(" HTTP/1.1\r\nConnection: close\r\nHost: \r\n") - 1);
append_to_buffer(&ctx->req.buf, url.path.base, url.path.len);
append_to_buffer(&ctx->req.buf, H2O_STRLIT(" HTTP/1.1\r\nConnection: close\r\nHost: "));
append_to_buffer(&ctx->req.buf, url.authority.base, url.authority.len);
append_to_buffer(&ctx->req.buf, H2O_STRLIT("\r\n"));
/* headers */
if (mrb_hash_p(arg_hash)) {
mrb_value headers = mrb_hash_get(mrb, arg_hash, mrb_symbol_value(generator->ctx->symbols.sym_headers));
if (!mrb_nil_p(headers)) {
if (h2o_mruby_iterate_headers(generator->ctx, headers, flatten_request_header, ctx) != 0) {
mrb_value exc = mrb_obj_value(mrb->exc);
mrb->exc = NULL;
mrb_exc_raise(mrb, exc);
}
}
}
/* body */
if (mrb_hash_p(arg_hash)) {
mrb_value body = mrb_hash_get(mrb, arg_hash, mrb_symbol_value(generator->ctx->symbols.sym_body));
if (!mrb_nil_p(body)) {
if (mrb_obj_eq(mrb, body, generator->rack_input)) {
/* fast path */
mrb_int pos;
mrb_input_stream_get_data(mrb, body, NULL, NULL, &pos, NULL, NULL);
ctx->req.body = generator->req->entity;
ctx->req.body.base += pos;
ctx->req.body.len -= pos;
} else {
if (!mrb_string_p(body)) {
body = mrb_funcall(mrb, body, "read", 0);
if (!mrb_string_p(body))
mrb_raise(mrb, E_ARGUMENT_ERROR, "body.read did not return string");
}
ctx->req.body = h2o_strdup(&ctx->generator->req->pool, RSTRING_PTR(body), RSTRING_LEN(body));
}
if (!ctx->req.has_transfer_encoding) {
char buf[64];
size_t l = (size_t)sprintf(buf, "content-length: %zu\r\n", ctx->req.body.len);
h2o_buffer_reserve(&ctx->req.buf, l);
append_to_buffer(&ctx->req.buf, buf, l);
}
}
}
h2o_buffer_reserve(&ctx->req.buf, 2);
append_to_buffer(&ctx->req.buf, H2O_STRLIT("\r\n"));
/* build request and connect */
h2o_http1client_connect(&ctx->client, ctx, &generator->req->conn->ctx->proxy.client_ctx, url.host, h2o_url_get_port(&url),
on_connect);
ctx->refs.request = h2o_mruby_create_data_instance(mrb, mrb_ary_entry(generator->ctx->constants, H2O_MRUBY_HTTP_REQUEST_CLASS),
ctx, &request_type);
return ctx->refs.request;
}
