예제 #1
0
파일: jl4R.c 프로젝트: rcqls/jl4R
//Maybe try to use cpp stuff to get the output inside julia system (ccall,cgen and cgutils)
//-| TODO: after adding in the jlapi.c jl_is_<C_type> functions replace the strcmp!
SEXP jl_value_to_SEXP(jl_value_t *res) {
  size_t i=0,nd,d;
  SEXP resR;
  SEXPTYPE aryTyR;
  jl_value_t *tmp;
  char *resTy, *aryTy, *aryTy2;

  if(res!=NULL) { //=> get a result
    resTy=(char*)jl_typeof_str(res);
    //DANGEROUS?? printf("typeof=%s\n",jl_typeof_str(res));
    if(strcmp(jl_typeof_str(res),"Int64")==0 || strcmp(jl_typeof_str(res),"Int32")==0)
    //if(jl_is_long(res)) //does not work because of DLLEXPORT
    {
      //printf("elt=%d\n",jl_unbox_long(res));
      PROTECT(resR=NEW_INTEGER(1));
      INTEGER_POINTER(resR)[0]=jl_unbox_long(res);
      UNPROTECT(1);
      return resR;
    }
    else
    if(strcmp(resTy,"Float64")==0)
    //if(jl_is_float64(res))
    {
      PROTECT(resR=NEW_NUMERIC(1));
      NUMERIC_POINTER(resR)[0]=jl_unbox_float64(res);
      UNPROTECT(1);
      return resR;
    }
    else
    if(strcmp(resTy,"Float32")==0)
    //if(jl_is_float64(res))
    {

      PROTECT(resR=NEW_NUMERIC(1));
      NUMERIC_POINTER(resR)[0]=jl_unbox_float32(res);
      UNPROTECT(1);
      return resR;
    }
    else
    if(strcmp(resTy,"Bool")==0)
    //if(jl_is_bool(res))
    {
      PROTECT(resR=NEW_LOGICAL(1));
      LOGICAL(resR)[0]=(jl_unbox_bool(res)  ? TRUE : FALSE);
      UNPROTECT(1);
      return resR;
    }
    else
    if(strcmp(resTy,"DataType")==0)
    //if(jl_is_bool(res))
    {
      PROTECT(resR=NEW_CHARACTER(1));
      CHARACTER_POINTER(resR)[0]=mkChar(jl_typename_str(res));
      UNPROTECT(1);
      return resR;
    }
    else
    if(strcmp(resTy,"Nothing")==0)
    //if(jl_is_bool(res))
    {
      return R_NilValue;
    }
    else
    if(strcmp(resTy,"Complex")==0)
    //if(jl_is_bool(res))
    {

      tmp=(jl_value_t*)jl_get_field(res, "re");
      PROTECT(resR=NEW_COMPLEX(1));
      if(strcmp(jl_typeof_str(tmp),"Float64")==0) {
        COMPLEX(resR)[0].r=jl_unbox_float64(tmp);
        COMPLEX(resR)[0].i=jl_unbox_float64(jl_get_field(res, "im"));
      } else if(strcmp(jl_typeof_str(tmp),"Int64")==0) {
        COMPLEX(resR)[0].r=jl_unbox_long(tmp);
        COMPLEX(resR)[0].i=jl_unbox_long(jl_get_field(res, "im"));
      }
      UNPROTECT(1);
      return resR;
    }
    else
    if(strcmp(resTy,"Regex")==0)
    //if(jl_is_bool(res))
    {
      // call=(jl_function_t*)jl_get_global(jl_base_module, jl_symbol("show"));
      // printf("ici\n");
      // if (call) tmp=jl_call1(call,res);
      // else printf("call failed!\n");
      // printf("ici\n");
      // resR = jl_value_to_VALUE(jl_get_field(res, "pattern"));
      // return resR;
    }
    else
    if(strcmp(resTy,"ASCIIString")==0 || strcmp(resTy,"UTF8String")==0)
    {
      PROTECT(resR=NEW_CHARACTER(1));
      CHARACTER_POINTER(resR)[0]=mkChar(jl_bytestring_ptr(res));
      UNPROTECT(1);
      return resR;
    }
    else
    if(strcmp(jl_typeof_str(res),"Tuple")==0 )
    //if(jl_is_array(res))
    {
      d=jl_nfields(res); //BEFORE 0.3: d=jl_tuple_len(res);
      PROTECT(resR=allocVector(VECSXP,d));
      for(i=0;i<d;i++) {
        //BEFORE 0.3: SET_ELEMENT(resR,i,jl_value_to_SEXP(jl_tupleref(res,i)));
        SET_ELEMENT(resR,i,jl_value_to_SEXP(jl_fieldref(res,i)));
      }
      UNPROTECT(1);
      return resR;
    }
    if(strcmp(resTy,"Array")==0)
    //if(jl_is_array(res))
    {
      nd = jl_array_rank(res);
      //Rprintf("array_ndims=%d\n",(int)nd);
      aryTy=(char*)jl_typename_str(jl_array_eltype(res));
      aryTy2=(char*)jl_typeof_str(jl_array_eltype(res));
      //Rprintf("type elt=%s,%s\n",aryTy,(char*)jl_typeof_str(jl_array_eltype(res)));
      if(strcmp(aryTy2,"DataType")!=0) return R_NilValue;
      if(strcmp(aryTy,"ASCIIString")==0 || strcmp(aryTy,"UTF8String")==0) aryTyR=STRSXP;
      else if(strcmp(aryTy,"Int64")==0 || strcmp(aryTy,"Int32")==0) aryTyR=INTSXP;
      else if(strcmp(aryTy,"Bool")==0) aryTyR=LGLSXP;
      else if(strcmp(aryTy,"Complex")==0) aryTyR=CPLXSXP;
      else if(strcmp(aryTy,"Float64")==0 || strcmp(aryTy,"Float32")==0) aryTyR=REALSXP;
      else aryTyR=VECSXP;
      if(nd==1) {//Vector
        d = jl_array_size(res, 0);
        //Rprintf("array_dim[1]=%d\n",(int)d);
        PROTECT(resR=allocVector(aryTyR,d));

        for(i=0;i<d;i++) {
          switch(aryTyR) {
            case STRSXP:
              SET_STRING_ELT(resR,i,mkChar(jl_bytestring_ptr(jl_arrayref((jl_array_t *)res,i))));
              break;
            case INTSXP:
              INTEGER(resR)[i]=jl_unbox_long(jl_arrayref((jl_array_t *)res,i));
              break;
            case LGLSXP:
              LOGICAL(resR)[i]=(jl_unbox_bool(jl_arrayref((jl_array_t *)res,i)) ? TRUE : FALSE);
              break;
            case REALSXP:
              REAL(resR)[i]=jl_unbox_float64(jl_arrayref((jl_array_t *)res,i));
              break;
            case CPLXSXP:
              tmp=(jl_value_t*)jl_get_field(jl_arrayref((jl_array_t *)res,i), "re");
              if(strcmp(jl_typeof_str(tmp),"Float64")==0) {
                COMPLEX(resR)[i].r=jl_unbox_float64(tmp);
                COMPLEX(resR)[i].i=jl_unbox_float64(jl_get_field(jl_arrayref((jl_array_t *)res,i), "im"));
              } else if(strcmp(jl_typeof_str(tmp),"Int64")==0) {
                COMPLEX(resR)[i].r=jl_unbox_long(tmp);
                COMPLEX(resR)[i].i=jl_unbox_long(jl_get_field(jl_arrayref((jl_array_t *)res,i), "im"));
              }
              break;
            case VECSXP:
              SET_ELEMENT(resR,i,jl_value_to_SEXP(jl_arrayref((jl_array_t *)res,i)));
          }
        }
        UNPROTECT(1);
        return resR;
      }
      //TODO: multidim array ruby equivalent???? Is it necessary

    }
    return R_NilValue;
    /*PROTECT(resR=NEW_CHARACTER(1));
    CHARACTER_POINTER(resR)[0]=mkChar(jl_typeof_str(res));
    // resR=rb_str_new2("__unconverted(");
    // rb_str_cat2(resR, jl_typeof_str(res));
    // rb_str_cat2(resR, ")__\n");
    UNPROTECT(1);
    //printf("%s\n",jl_bytestring_ptr(jl_eval_string("\"$(ans)\"")));
    return resR;*/
  }
  //=> No result (command incomplete or syntax error)
  // jlapi_print_stderr(); //If this happens but this is really not sure!
  // resR=rb_str_new2("__incomplete");
  // if(jl_exception_occurred()!=NULL) {
  //   rb_str_cat2(resR, "(");
  //     rb_str_cat2(resR,jl_typeof_str(jl_exception_occurred()));
  //   jl_value_t* err=jl_get_field(jl_exception_occurred(),"msg");
  //   if(err!=NULL) printf("%s: %s\n",jl_typeof_str(jl_exception_occurred()),jl_bytestring_ptr(err));
  //   jl_exception_clear();
  //   rb_str_cat2(resR, ")");
  // }
  // rb_str_cat2(resR, "__");
  return R_NilValue;//resR;
}
예제 #2
0
static SEXP Julia_R_Scalar(jl_value_t *Var)
{
  SEXP ans = R_NilValue;
  double tmpfloat;
  //most common type is here
  if (jl_is_int32(Var))
  {
    PROTECT(ans = ScalarInteger(jl_unbox_int32(Var)));
    UNPROTECT(1);
  }
  else if (jl_is_int64(Var))
  {
    tmpfloat=(double)jl_unbox_int64(Var);
    if (inInt32Range(tmpfloat))
     PROTECT(ans = ScalarInteger((int32_t)jl_unbox_int64(Var)));
    else
     PROTECT(ans = ScalarReal(tmpfloat)); 
    UNPROTECT(1);
  }
  //more integer type
  if (jl_is_uint32(Var))
  {
    tmpfloat=(double)jl_unbox_uint32(Var);
    if (inInt32Range(tmpfloat))
     PROTECT(ans = ScalarInteger((int32_t)jl_unbox_uint32(Var)));
    else
    PROTECT(ans = ScalarReal(tmpfloat));
    UNPROTECT(1);
  }
  else if (jl_is_uint64(Var))
  {
    tmpfloat=(double)jl_unbox_int64(Var);
    if (inInt32Range(tmpfloat))
     PROTECT(ans = ScalarInteger((int32_t)jl_unbox_uint64(Var)));
    else
    PROTECT(ans = ScalarReal(tmpfloat));
    UNPROTECT(1);
  }
  else if (jl_is_float64(Var))
  {
    PROTECT(ans = ScalarReal(jl_unbox_float64(Var)));
    UNPROTECT(1);
  }
  else if (jl_is_float32(Var))
  {
    PROTECT(ans = ScalarReal(jl_unbox_float32(Var)));
    UNPROTECT(1);
  }
  else if (jl_is_bool(Var))
  {
    PROTECT(ans = ScalarLogical(jl_unbox_bool(Var)));
    UNPROTECT(1);
  }
  else if (jl_is_int8(Var))
  {
    PROTECT(ans = ScalarInteger(jl_unbox_int8(Var)));
    UNPROTECT(1);
  }
  else if (jl_is_uint8(Var))
  {
    PROTECT(ans = ScalarInteger(jl_unbox_uint8(Var)));
    UNPROTECT(1);
  }
  else if (jl_is_int16(Var))
  {
    PROTECT(ans = ScalarInteger(jl_unbox_int16(Var)));
    UNPROTECT(1);
  }
  else if (jl_is_uint16(Var))
  {
    PROTECT(ans = ScalarInteger(jl_unbox_uint16(Var)));
    UNPROTECT(1);
  }
  else if (jl_is_utf8_string(Var))
  {
    PROTECT(ans = allocVector(STRSXP, 1));
    SET_STRING_ELT(ans, 0, mkCharCE(jl_string_data(Var), CE_UTF8));
    UNPROTECT(1);
  }
  else if (jl_is_ascii_string(Var))
  {
    PROTECT(ans = ScalarString(mkChar(jl_string_data(Var))));
    UNPROTECT(1);
  }
  return ans;
}
예제 #3
0
	template <> inline float unbox<float>(jl_value_t* val) { JULIACPP_ASSERT_NOMSG(jl_is_float32(val)); return jl_unbox_float32(val); }
예제 #4
0
// adapted from https://github.com/armgong/RJulia/blob/master/src/R_Julia.c
SEXP jr_scalar(jl_value_t *tt)
{
    SEXP ans = R_NilValue;
    double z;
    // float64, int64, int32 are most common, so put them in the front
    if (jl_is_float64(tt))
    {
        PROTECT(ans = Rf_ScalarReal(jl_unbox_float64(tt)));
        UNPROTECT(1);
    }
    else if (jl_is_int32(tt))
    {
        PROTECT(ans = Rf_ScalarInteger(jl_unbox_int32(tt)));
        UNPROTECT(1);
    }
    else if (jl_is_int64(tt))
    {
        z = (double)jl_unbox_int64(tt);
        if (in_int32_range(z))
            PROTECT(ans = Rf_ScalarInteger((int32_t)jl_unbox_int64(tt)));
        else
            PROTECT(ans = Rf_ScalarReal(z));
        UNPROTECT(1);
    }
    else if (jl_is_bool(tt))
    {
        PROTECT(ans = Rf_ScalarLogical(jl_unbox_bool(tt)));
        UNPROTECT(1);
    }
    else if (jl_is_int8(tt))
    {
        PROTECT(ans = Rf_ScalarInteger(jl_unbox_int8(tt)));
        UNPROTECT(1);
    }
    else if (jl_is_uint8(tt))
    {
        PROTECT(ans = Rf_ScalarInteger(jl_unbox_uint8(tt)));
        UNPROTECT(1);
    }
    else if (jl_is_int16(tt))
    {
        PROTECT(ans = Rf_ScalarInteger(jl_unbox_int16(tt)));
        UNPROTECT(1);
    }
    else if (jl_is_uint16(tt))
    {
        PROTECT(ans = Rf_ScalarInteger(jl_unbox_uint16(tt)));
        UNPROTECT(1);
    }
    else if (jl_is_uint32(tt))
    {
        z = (double)jl_unbox_uint32(tt);
        if (in_int32_range(z))
            PROTECT(ans = Rf_ScalarInteger((int32_t)jl_unbox_uint32(tt)));
        else
            PROTECT(ans = Rf_ScalarReal(z));
        UNPROTECT(1);
    }
    else if (jl_is_uint64(tt))
    {
        z = (double)jl_unbox_int64(tt);
        if (in_int32_range(z))
            PROTECT(ans = Rf_ScalarInteger((int32_t)jl_unbox_uint64(tt)));
        else
            PROTECT(ans = Rf_ScalarReal(z));
        UNPROTECT(1);
    }
    else if (jl_is_float32(tt))
    {
        PROTECT(ans = Rf_ScalarReal(jl_unbox_float32(tt)));
        UNPROTECT(1);
    }
    else if (jl_is_utf8_string(tt))
    {
        PROTECT(ans = Rf_allocVector(STRSXP, 1));
        SET_STRING_ELT(ans, 0, Rf_mkCharCE(jl_string_data(tt), CE_UTF8));
        UNPROTECT(1);
    }
    else if (jl_is_ascii_string(tt))
    {
        PROTECT(ans = Rf_ScalarString(Rf_mkChar(jl_string_data(tt))));
        UNPROTECT(1);
    }
    return ans;
}
예제 #5
0
파일: builtins.c 프로젝트: Nagriar/julia
DLLEXPORT size_t jl_static_show(JL_STREAM *out, jl_value_t *v)
{
    // mimic jl_show, but never calling a julia method
    size_t n = 0;
    if (v == NULL) {
        n += JL_PRINTF(out, "<null>");
    }
    else if (jl_is_lambda_info(v)) {
        jl_lambda_info_t *li = (jl_lambda_info_t*)v;
        n += jl_static_show(out, (jl_value_t*)li->module);
        n += JL_PRINTF(out, ".%s", li->name->name);
        if (li->specTypes) {
            n += jl_static_show(out, (jl_value_t*)li->specTypes);
        }
        else {
            n += JL_PRINTF(out, "(?)");
        }
    }
    else if (jl_is_tuple(v)) {
        n += jl_show_tuple(out, (jl_tuple_t*)v, "(", ")", 1);
    }
    else if (jl_is_vararg_type(v)) {
        n += jl_static_show(out, jl_tparam0(v));
        n += JL_PRINTF(out, "...");
    }
    else if (jl_is_datatype(v)) {
        jl_datatype_t *dv = (jl_datatype_t*)v;
        if (dv->name->module != jl_core_module) {
            n += jl_static_show(out, (jl_value_t*)dv->name->module);
            JL_PUTS(".", out); n += 1;
        }
        n += JL_PRINTF(out, "%s", dv->name->name->name);
        if (dv->parameters) {
            size_t j, tlen = jl_tuple_len(dv->parameters);
            if (tlen > 0) {
                n += JL_PRINTF(out, "{");
                for (j = 0; j < tlen; j++) {
                    jl_value_t *p = jl_tupleref(dv->parameters,j);
                    n += jl_static_show(out, p);
                    if (j != tlen-1)
                        n += JL_PRINTF(out, ", ");
                }
                n += JL_PRINTF(out, "}");
            }
        }
    }
    else if (jl_is_func(v)) {
        if (jl_is_gf(v)) {
            n += JL_PRINTF(out, "%s", jl_gf_name(v)->name);
        }
        else {
            n += JL_PRINTF(out, "<# function>");
        }
    }
    else if (jl_typeis(v, jl_intrinsic_type)) {
        n += JL_PRINTF(out, "<# intrinsic function %d>", *(uint32_t*)jl_data_ptr(v));
    }
    else if (jl_is_int64(v)) {
        n += JL_PRINTF(out, "%d", jl_unbox_int64(v));
    }
    else if (jl_is_int32(v)) {
        n += JL_PRINTF(out, "%d", jl_unbox_int32(v));
    }
    else if (jl_typeis(v,jl_int16_type)) {
        n += JL_PRINTF(out, "%d", jl_unbox_int16(v));
    }
    else if (jl_typeis(v,jl_int8_type)) {
        n += JL_PRINTF(out, "%d", jl_unbox_int8(v));
    }
    else if (jl_is_uint64(v)) {
        n += JL_PRINTF(out, "0x%016x", jl_unbox_uint64(v));
    }
    else if (jl_is_uint32(v)) {
        n += JL_PRINTF(out, "0x%08x", jl_unbox_uint32(v));
    }
    else if (jl_typeis(v,jl_uint16_type)) {
        n += JL_PRINTF(out, "0x%04x", jl_unbox_uint16(v));
    }
    else if (jl_typeis(v,jl_uint8_type)) {
        n += JL_PRINTF(out, "0x%02x", jl_unbox_uint8(v));
    }
    else if (jl_is_cpointer(v)) {
#ifdef _P64
        n += JL_PRINTF(out, "0x%016x", jl_unbox_voidpointer(v));
#else
        n += JL_PRINTF(out, "0x%08x", jl_unbox_voidpointer(v));
#endif
    }
    else if (jl_is_float32(v)) {
        n += JL_PRINTF(out, "%g", jl_unbox_float32(v));
    }
    else if (jl_is_float64(v)) {
        n += JL_PRINTF(out, "%g", jl_unbox_float64(v));
    }
    else if (v == jl_true) {
        n += JL_PRINTF(out, "true");
    }
    else if (v == jl_false) {
        n += JL_PRINTF(out, "false");
    }
    else if (jl_is_byte_string(v)) {
        n += JL_PRINTF(out, "\"%s\"", jl_iostr_data(v));
    }
    else if (v == jl_bottom_type) {
        n += JL_PRINTF(out, "Void");
    }
    else if (jl_is_uniontype(v)) {
        n += JL_PRINTF(out, "Union");
        n += jl_static_show(out, (jl_value_t*)((jl_uniontype_t*)v)->types);
    }
    else if (jl_is_typector(v)) {
        n += jl_static_show(out, ((jl_typector_t*)v)->body);
    }
    else if (jl_is_typevar(v)) {
        n += JL_PRINTF(out, "%s", ((jl_tvar_t*)v)->name->name);
    }
    else if (jl_is_module(v)) {
        jl_module_t *m = (jl_module_t*)v;
        if (m->parent != m && m->parent != jl_main_module) {
            n += jl_static_show(out, (jl_value_t*)m->parent);
            n += JL_PRINTF(out, ".");
        }
        n += JL_PRINTF(out, "%s", m->name->name);
    }
    else if (jl_is_symbol(v)) {
        n += JL_PRINTF(out, ":%s", ((jl_sym_t*)v)->name);
    }
    else if (jl_is_symbolnode(v)) {
        n += JL_PRINTF(out, "%s::", jl_symbolnode_sym(v)->name);
        n += jl_static_show(out, jl_symbolnode_type(v));
    }
    else if (jl_is_getfieldnode(v)) {
        n += jl_static_show(out, jl_getfieldnode_val(v));
        n += JL_PRINTF(out, ".%s", jl_getfieldnode_name(v)->name);
        n += JL_PRINTF(out, "::");
        n += jl_static_show(out, jl_getfieldnode_type(v));
    }
    else if (jl_is_labelnode(v)) {
        n += JL_PRINTF(out, "%d:", jl_labelnode_label(v));
    }
    else if (jl_is_gotonode(v)) {
        n += JL_PRINTF(out, "goto %d", jl_gotonode_label(v));
    }
    else if (jl_is_quotenode(v)) {
        n += JL_PRINTF(out, "quote ");
        n += jl_static_show(out, jl_fieldref(v,0));
        n += JL_PRINTF(out, " end");
    }
    else if (jl_is_newvarnode(v)) {
        n += JL_PRINTF(out, "<newvar ");
        n += jl_static_show(out, jl_fieldref(v,0));
        n += JL_PRINTF(out, ">");
    }
    else if (jl_is_topnode(v)) {
        n += JL_PRINTF(out, "top(");
        n += jl_static_show(out, jl_fieldref(v,0));
        n += JL_PRINTF(out, ")");
    }
    else if (jl_is_linenode(v)) {
        n += JL_PRINTF(out, "# line %d", jl_linenode_line(v));
    }
    else if (jl_is_expr(v)) {
        jl_expr_t *e = (jl_expr_t*)v;
        if (e->head == assign_sym && jl_array_len(e->args) == 2) {
            n += jl_static_show(out, jl_exprarg(e,0));
            n += JL_PRINTF(out, " = ");
            n += jl_static_show(out, jl_exprarg(e,1));
        }
        else {
            char sep = ' ';
            if (e->head == body_sym)
                sep = '\n';
            n += JL_PRINTF(out, "Expr(:%s", e->head->name);
            size_t i, len = jl_array_len(e->args);
            for (i = 0; i < len; i++) {
                n += JL_PRINTF(out, ",%c", sep);
                n += jl_static_show(out, jl_exprarg(e,i));
            }
            n += JL_PRINTF(out, ")::");
            n += jl_static_show(out, e->etype);
        }
    }
    else if (jl_is_array(v)) {
        n += jl_static_show(out, jl_typeof(v));
        n += JL_PRINTF(out, "[");
        size_t j, tlen = jl_array_len(v);
        for (j = 0; j < tlen; j++) {
            n += jl_static_show(out, jl_arrayref((jl_array_t*)v,j));
            if (j != tlen-1)
               n += JL_PRINTF(out, ", ");
        }
        n += JL_PRINTF(out, "]");
    }
    else if (jl_typeis(v,jl_loaderror_type)) {
        n += JL_PRINTF(out, "LoadError(at ");
        n += jl_static_show(out, jl_fieldref(v, 0));
        n += JL_PRINTF(out, " line ");
        n += jl_static_show(out, jl_fieldref(v, 1));
        n += JL_PRINTF(out, ": ");
        n += jl_static_show(out, jl_fieldref(v, 2));
        n += JL_PRINTF(out, ")");
    }
    else if (jl_typeis(v,jl_errorexception_type)) {
        n += JL_PRINTF(out, "ErrorException(");
        n += jl_static_show(out, jl_fieldref(v, 0));
        n += JL_PRINTF(out, ")");
    }
    else if (jl_is_datatype(jl_typeof(v))) {
        jl_datatype_t *t = (jl_datatype_t*)jl_typeof(v);
        n += jl_static_show(out, (jl_value_t*)t);
        n += JL_PRINTF(out, "(");
        size_t nb = jl_datatype_size(t);
        size_t tlen = jl_tuple_len(t->names);
        if (nb > 0 && tlen == 0) {
            char *data = (char*)jl_data_ptr(v);
            n += JL_PRINTF(out, "0x");
            for(int i=nb-1; i >= 0; --i)
                n += JL_PRINTF(out, "%02hhx", data[i]);
        }
        else {
            jl_value_t *fldval=NULL;
            JL_GC_PUSH1(&fldval);
            for (size_t i = 0; i < tlen; i++) {
                n += JL_PRINTF(out, ((jl_sym_t*)jl_tupleref(t->names, i))->name);
                //jl_fielddesc_t f = t->fields[i];
                n += JL_PRINTF(out, "=");
                fldval = jl_get_nth_field(v, i);
                n += jl_static_show(out, fldval);
                if (i != tlen-1)
                    n += JL_PRINTF(out, ", ");
            }
            JL_GC_POP();
        }
        n += JL_PRINTF(out, ")");
    }
    else {
        n += JL_PRINTF(out, "<?::");
        n += jl_static_show(out, jl_typeof(v));
        n += JL_PRINTF(out, ">");
    }
    return n;
}