mrb_value mrb_any_to_s(mrb_state *mrb, mrb_value obj) { mrb_value str = mrb_str_buf_new(mrb, 20); const char *cname = mrb_obj_classname(mrb, obj); mrb_str_buf_cat(mrb, str, "#<", 2); mrb_str_cat2(mrb, str, cname); mrb_str_cat(mrb, str, ":", 1); mrb_str_concat(mrb, str, mrb_ptr_to_str(mrb, mrb_voidp(obj))); mrb_str_buf_cat(mrb, str, ">", 1); return str; }
void mrb_print_backtrace(mrb_state *mrb) { #ifdef ENABLE_STDIO mrb_callinfo *ci; mrb_int ciidx; const char *filename, *method, *sep; int i, line; printf("trace:\n"); ciidx = mrb_fixnum(mrb_obj_iv_get(mrb, mrb->exc, mrb_intern(mrb, "ciidx"))); if (ciidx >= mrb->ciend - mrb->cibase) ciidx = 10; /* ciidx is broken... */ for (i = ciidx; i >= 0; i--) { ci = &mrb->cibase[i]; filename = "(unknown)"; line = -1; if (MRB_PROC_CFUNC_P(ci->proc)) { continue; } else { mrb_irep *irep = ci->proc->body.irep; if (irep->filename != NULL) filename = irep->filename; if (irep->lines != NULL) { mrb_code *pc; if (i+1 <= ciidx) { pc = mrb->cibase[i+1].pc; } else { pc = (mrb_code*)mrb_voidp(mrb_obj_iv_get(mrb, mrb->exc, mrb_intern(mrb, "lastpc"))); } if (irep->iseq <= pc && pc < irep->iseq + irep->ilen) { line = irep->lines[pc - irep->iseq - 1]; } } } if (line == -1) continue; if (ci->target_class == ci->proc->target_class) sep = "."; else sep = "#"; method = mrb_sym2name(mrb, ci->mid); if (method) { const char *cn = mrb_class_name(mrb, ci->proc->target_class); if (cn) { printf("\t[%d] %s:%d:in %s%s%s\n", i, filename, line, cn, sep, method); } else { printf("\t[%d] %s:%d:in %s\n", i, filename, line, method); } } else { printf("\t[%d] %s:%d\n", i, filename, line); } } #endif }
mrb_value mrb_any_to_s(mrb_state *mrb, mrb_value obj) { const char *cname = mrb_obj_classname(mrb, obj); return mrb_sprintf(mrb, "#<%s:%p>", cname, mrb_voidp(obj)); }