зеркало из https://github.com/github/ruby.git
331 строка
7.9 KiB
C
331 строка
7.9 KiB
C
/* -*- c -*- */
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/* do not use C++ style comment */
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/* */
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MACRO macro_eval_setup_send_arguments(num, blockptr, flag, blockiseq)
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{
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if (flag & VM_CALL_ARGS_BLOCKARG_BIT) {
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yarv_proc_t *po;
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VALUE proc;
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proc = TOPN(0);
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if (proc != Qnil) {
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if (!yarv_obj_is_proc(proc)) {
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proc = rb_check_convert_type(proc, T_DATA, "Proc", "to_proc");
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if (!yarv_obj_is_proc(proc)) {
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rb_raise(rb_eTypeError,
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"wrong argument type %s (expected Proc)",
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rb_obj_classname(proc));
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}
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}
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GetProcPtr(proc, po);
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blockptr = &po->block;
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GET_BLOCK_PTR_IN_CFP(reg_cfp)->proc = proc;
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}
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INC_SP(-1);
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}
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else if (blockiseq) {
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blockptr = GET_BLOCK_PTR_IN_CFP(reg_cfp);
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blockptr->iseq = blockiseq;
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blockptr->proc = 0;
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}
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/* expand top of stack? */
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if (flag & VM_CALL_ARGS_SPLAT_BIT) {
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VALUE ary = TOPN(0);
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VALUE *ptr, *dst;
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int i;
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VALUE tmp = rb_check_convert_type(ary, T_ARRAY, "Array", "to_splat");
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if (NIL_P(tmp)) {
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tmp = rb_ary_new3(1, ary);
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}
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ary = tmp;
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ptr = RARRAY_PTR(ary);
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dst = GET_SP() - 1;
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for (i = 0; i < RARRAY_LEN(ary); i++) {
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dst[i] = ptr[i];
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}
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num += i - 1;
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INC_SP(i - 1);
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}
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}
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MACRO macro_eval_invoke_cfunc(num, id, recv, klass, mn, blockptr)
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{
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yarv_control_frame_t *cfp =
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push_frame(th, 0, FRAME_MAGIC_CFUNC,
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recv, (VALUE) blockptr, 0, GET_SP(), 0, 1);
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cfp->callee_id = id; /* TODO */
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cfp->method_id = id;
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cfp->method_klass = klass;
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reg_cfp->sp -= num + 1;
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val = call_cfunc(mn->nd_cfnc, recv, mn->nd_argc, num, reg_cfp->sp + 1);
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if (reg_cfp != th->cfp + 1) {
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SDR2(reg_cfp);
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SDR2(th->cfp-5);
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rb_bug("cfp consistency error - send");
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th->cfp = reg_cfp;
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}
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pop_frame(th);
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}
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MACRO macro_eval_invoke_func(niseqval, recv, klass, blockptr, num)
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{
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yarv_iseq_t *niseq;
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VALUE *sp = GET_SP();
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VALUE *rsp = sp - num - 1;
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int opt_pc = 0, clear_local_size, i;
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/* TODO: eliminate it */
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GetISeqPtr(niseqval, niseq);
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clear_local_size = niseq->local_size - num;
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/* set arguments */
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if (niseq->arg_simple) {
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if (niseq->argc != num) {
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rb_raise(rb_eArgError, "wrong number of arguments (%lu for %d)",
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(unsigned long)num, niseq->argc);
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}
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}
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else {
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/* check optional arguments */
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if (niseq->arg_opts) {
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int iseq_argc = niseq->argc;
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int opts = niseq->arg_opts - 1;
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if (num < iseq_argc ||
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(niseq->arg_rest == 0 && num > iseq_argc + opts)) {
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if (0) {
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printf("num: %lu, iseq_argc: %d, opts: %d\n",
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(unsigned long)num, iseq_argc, opts);
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}
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rb_raise(rb_eArgError,
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"wrong number of arguments (%lu for %d)",
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(unsigned long)num, iseq_argc);
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}
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if (0) {
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printf("num: %lu, opts: %d, iseq_argc: %d\n",
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(unsigned long)num, opts, iseq_argc);
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}
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if (num - iseq_argc < opts) {
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opt_pc = niseq->arg_opt_tbl[num - iseq_argc];
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sp += opts - (num - iseq_argc);
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num += opts - (num - iseq_argc);
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clear_local_size = niseq->local_size - (iseq_argc + opts);
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}
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else {
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opt_pc = niseq->arg_opt_tbl[opts];
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}
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}
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/* check rest */
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if (niseq->arg_rest == -1) {
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if (niseq->arg_opts) {
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num = niseq->argc + niseq->arg_opts;
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}
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else {
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num = niseq->argc;
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}
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sp = &rsp[1 + num + 1];
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}
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else if (niseq->arg_rest != 0) {
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int rest = niseq->arg_rest - 1;
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int pack_size = num - rest;
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if (0) {
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printf("num: %lu, rest: %d, ps: %d\n",
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(unsigned long)num, niseq->arg_rest, pack_size);
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}
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if (pack_size < 0) {
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rb_raise(rb_eArgError,
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"wrong number of arguments (%lu for %d)",
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(unsigned long)num, rest - niseq->arg_opts);
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}
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/*
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* def m(x,y,z,*a) =>
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* x, y, z, a, b, c <SP> => x, y, z, [a,b,c], <SP>
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*/
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rsp[1 + rest] = rb_ary_new4(pack_size, &rsp[1 + rest]);
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sp = &rsp[2 + rest];
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num = rest + 1;
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clear_local_size = niseq->local_size - rest - 1;
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}
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/* block argument */
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if (niseq->arg_block != 0) {
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VALUE arg_block_val = Qnil;
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if (!((niseq->arg_rest && num == niseq->arg_rest) ||
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(niseq->arg_opts
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&& num == niseq->argc + niseq->arg_opts - 1)
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|| num == niseq->argc)) {
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rb_raise(rb_eArgError,
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"wrong number of arguments (%lu for %d)",
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(unsigned long)num, niseq->argc);
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}
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if (blockptr) {
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/* make Proc object */
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if (blockptr->proc == 0) {
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yarv_proc_t *proc;
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reg_cfp->sp = sp;
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arg_block_val = th_make_proc(th, GET_CFP(), blockptr);
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GetProcPtr(arg_block_val, proc);
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blockptr = &proc->block;
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}
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else {
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arg_block_val = blockptr->proc;
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}
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}
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rsp[1 + niseq->arg_block - 1] = arg_block_val;
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sp++;
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clear_local_size--;
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}
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}
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/* stack overflow check */
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if (CHECK_STACK_OVERFLOW(th, GET_CFP(), niseq->stack_max + 0x100)) {
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rb_exc_raise(sysstack_error);
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}
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for (i = 0; i < clear_local_size; i++) {
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*sp++ = Qnil;
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}
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{
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if (0 && (flag & VM_CALL_TAILCALL_BIT)) {
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th->cfp++;
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push_frame(th, niseq, FRAME_MAGIC_METHOD,
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recv, (VALUE) blockptr,
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niseq->iseq_encoded + opt_pc, sp, 0, 0);
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}
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else if (0 &&
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(flag & VM_CALL_TAILRECURSION_BIT) && niseq == GET_ISEQ()) {
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/* do nothing */
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GET_CFP()->self = recv;
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SET_LFP(sp);
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SET_DFP(sp);
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*sp++ = (VALUE) blockptr;
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reg_cfp->sp = sp;
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reg_cfp->bp = sp;
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SET_PC(niseq->iseq_encoded + opt_pc);
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}
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else {
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push_frame(th, niseq,
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FRAME_MAGIC_METHOD, recv, (VALUE) blockptr,
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niseq->iseq_encoded + opt_pc, sp, 0, 0);
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reg_cfp->sp = rsp;
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}
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RESTORE_REGS();
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}
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}
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MACRO macro_eval_invoke_method(recv, klass, id, num, mn, blockptr)
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{
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/* method missing */
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if (mn == 0) {
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/* temporarily */
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if (id == idMethodMissing) {
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rb_bug("method missing");
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}
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else {
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int stat = 0;
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if (flag & VM_CALL_VCALL_BIT) {
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stat |= NOEX_VCALL;
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}
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if (flag & VM_CALL_SUPER_BIT) {
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stat |= NOEX_SUPER;
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}
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val = eval_method_missing(th, id, recv, num, blockptr, stat);
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}
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}
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else if (!(flag & VM_CALL_FCALL_BIT) &&
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(mn->nd_noex & NOEX_MASK) & NOEX_PRIVATE) {
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int stat = NOEX_PRIVATE;
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if (flag & VM_CALL_VCALL_BIT) {
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stat |= NOEX_VCALL;
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}
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val = eval_method_missing(th, id, recv, num, blockptr, stat);
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}
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else if ((mn->nd_noex & NOEX_MASK) & NOEX_PROTECTED) {
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VALUE defined_class = mn->nd_clss;
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if (TYPE(defined_class) == T_ICLASS) {
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defined_class = RBASIC(defined_class)->klass;
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}
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if (!rb_obj_is_kind_of(GET_SELF(), rb_class_real(defined_class))) {
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val =
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eval_method_missing(th, id, recv, num, blockptr,
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NOEX_PROTECTED);
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}
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else {
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goto INSN_LABEL(normal_method_dispatch);
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}
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}
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else {
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NODE *node;
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INSN_LABEL(normal_method_dispatch):
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node = mn->nd_body;
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switch (nd_type(node)) {
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case YARV_METHOD_NODE:{
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macro_eval_invoke_func(node->nd_body, recv, klass,
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blockptr, num);
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NEXT_INSN();
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}
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case NODE_CFUNC:{
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macro_eval_invoke_cfunc(num, id, recv, klass, node, blockptr);
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break;
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}
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case NODE_ATTRSET:{
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val = rb_ivar_set(recv, node->nd_vid, TOPN(0));
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POPN(2);
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break;
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}
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case NODE_IVAR:{
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val = rb_ivar_get(recv, node->nd_vid);
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POP();
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break;
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}
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case NODE_BMETHOD:{
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VALUE *argv = GET_SP() - num;
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val = th_invoke_bmethod(th, id, node->nd_cval,
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recv, klass, num, argv);
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INC_SP(-num-1);
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break;
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}
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case NODE_ZSUPER:{
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klass = RCLASS(mn->nd_clss)->super;
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mn = rb_method_node(klass, id);
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if (mn != 0) {
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goto INSN_LABEL(normal_method_dispatch);
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}
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else {
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goto LABEL_IS_SC(start_method_dispatch);
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}
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}
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case NODE_SCOPE:{
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dpi(id);
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SDR();
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rb_bug("eval_invoke_method: NODE_SCOPE should not be appear");
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/* unreachable */
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break;
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}
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default:{
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printf("node: %s\n", node_name(nd_type(node)));
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rb_bug("eval_invoke_method: unreachable");
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/* unreachable */
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break;
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}
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}
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}
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}
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