Beispiel #1
0
void jl_init_int32_int64_cache(void)
{
    int64_t i;
    for(i=0; i < NBOX_C; i++) {
        boxed_int32_cache[i]  = jl_box32(jl_int32_type, i-NBOX_C/2);
        boxed_int64_cache[i]  = jl_box64(jl_int64_type, i-NBOX_C/2);
#ifdef _P64
        boxed_gensym_cache[i] = jl_box64(jl_gensym_type, i);
#else
        boxed_gensym_cache[i] = jl_box32(jl_gensym_type, i);
#endif
    }
}
Beispiel #2
0
void jl_init_box_caches(void)
{
    int64_t i;
    for(i=0; i < 256; i++) {
        boxed_int8_cache[i]  = jl_box8(jl_int8_type, i);
    }
    for(i=0; i < NBOX_C; i++) {
        boxed_int16_cache[i]  = jl_box16(jl_int16_type, i-NBOX_C/2);
        boxed_uint16_cache[i] = jl_box16(jl_uint16_type, i);
        boxed_uint32_cache[i] = jl_box32(jl_uint32_type, i);
        boxed_char_cache[i]   = jl_box32(jl_char_type, i);
        boxed_uint64_cache[i] = jl_box64(jl_uint64_type, i);
    }
}
Beispiel #3
0
void jl_init_int32_int64_cache(void)
{
    int64_t i;
    for(i=0; i < NBOX_C; i++) {
        boxed_int32_cache[i]  = jl_box32(jl_int32_type, i-NBOX_C/2);
        boxed_int64_cache[i]  = jl_box64(jl_int64_type, i-NBOX_C/2);
    }
}
Beispiel #4
0
void jl_init_int32_int64_cache(void)
{
    int64_t i;
    for(i=0; i < NBOX_C; i++) {
        boxed_int32_cache[i]  = jl_box32(jl_int32_type, i-NBOX_C/2);
        boxed_int64_cache[i]  = jl_box64(jl_int64_type, i-NBOX_C/2);
#ifdef _P64
        boxed_ssavalue_cache[i] = jl_box64(jl_ssavalue_type, i);
        boxed_slotnumber_cache[i] = jl_box64(jl_slotnumber_type, i);
#else
        boxed_ssavalue_cache[i] = jl_box32(jl_ssavalue_type, i);
        boxed_slotnumber_cache[i] = jl_box32(jl_slotnumber_type, i);
#endif
    }
    for(i=0; i < 256; i++) {
        boxed_uint8_cache[i] = jl_box8(jl_uint8_type, i);
    }
}
Beispiel #5
0
static jl_value_t *scm_to_julia_(value_t e)
{
    if (fl_isnumber(e)) {
        if (iscprim(e)) {
            numerictype_t nt = cp_numtype((cprim_t*)ptr(e));
            switch (nt) {
            case T_DOUBLE:
                return (jl_value_t*)jl_box_float64(*(double*)cp_data((cprim_t*)ptr(e)));
            case T_FLOAT:
                return (jl_value_t*)jl_box_float32(*(float*)cp_data((cprim_t*)ptr(e)));
            case T_INT64:
                return (jl_value_t*)jl_box_int64(*(int64_t*)cp_data((cprim_t*)ptr(e)));
            case T_UINT8:
                return (jl_value_t*)jl_box_uint8(*(uint8_t*)cp_data((cprim_t*)ptr(e)));
            case T_UINT16:
                return (jl_value_t*)jl_box_uint16(*(uint16_t*)cp_data((cprim_t*)ptr(e)));
            case T_UINT32:
                return (jl_value_t*)jl_box_uint32(*(uint32_t*)cp_data((cprim_t*)ptr(e)));
            case T_UINT64:
                return (jl_value_t*)jl_box_uint64(*(uint64_t*)cp_data((cprim_t*)ptr(e)));
            default:
                ;
            }
        }
        if (isfixnum(e)) {
            int64_t ne = numval(e);
#ifdef __LP64__
            return (jl_value_t*)jl_box_int64(ne);
#else
            if (ne > S32_MAX || ne < S32_MIN)
                return (jl_value_t*)jl_box_int64(ne);
            return (jl_value_t*)jl_box_int32((int32_t)ne);
#endif
        }
        uint64_t n = toulong(e, "scm_to_julia");
#ifdef __LP64__
        return (jl_value_t*)jl_box_int64((int64_t)n);
#else
        if (n > S32_MAX)
            return (jl_value_t*)jl_box_int64((int64_t)n);
        return (jl_value_t*)jl_box_int32((int32_t)n);
#endif
    }
    if (issymbol(e)) {
        if (!fl_isgensym(e)) {
            char *sn = symbol_name(e);
            if (!strcmp(sn, "true"))
                return jl_true;
            else if (!strcmp(sn, "false"))
                return jl_false;
        }
        return (jl_value_t*)scmsym_to_julia(e);
    }
    if (fl_isstring(e)) {
        return jl_pchar_to_string(cvalue_data(e), cvalue_len(e));
    }
    if (e == FL_F) {
        return jl_false;
    }
    if (e == FL_T) {
        return jl_true;
    }
    if (e == FL_NIL) {
        return (jl_value_t*)jl_null;
    }
    if (iscons(e)) {
        value_t hd = car_(e);
        if (issymbol(hd)) {
            jl_sym_t *sym = scmsym_to_julia(hd);
            /* tree node types:
               goto  gotoifnot  label  return
               lambda  call  =  quote
               null  top  method
               body  file new
               line  enter  leave
            */
            size_t n = llength(e)-1;
            size_t i;
            if (sym == lambda_sym) {
                jl_expr_t *ex = jl_exprn(lambda_sym, n);
                e = cdr_(e);
                value_t largs = car_(e);
                jl_cellset(ex->args, 0, full_list(largs));
                e = cdr_(e);
                
                value_t ee = car_(e);
                jl_array_t *vinf = jl_alloc_cell_1d(3);
                jl_cellset(vinf, 0, full_list(car_(ee)));
                ee = cdr_(ee);
                jl_cellset(vinf, 1, full_list_of_lists(car_(ee)));
                ee = cdr_(ee);
                jl_cellset(vinf, 2, full_list_of_lists(car_(ee)));
                assert(!iscons(cdr_(ee)));
                jl_cellset(ex->args, 1, vinf);
                e = cdr_(e);
                
                for(i=2; i < n; i++) {
                    assert(iscons(e));
                    jl_cellset(ex->args, i, scm_to_julia_(car_(e)));
                    e = cdr_(e);
                }
                return
                    (jl_value_t*)jl_new_lambda_info((jl_value_t*)ex, jl_null);
            }

            e = cdr_(e);
            if (sym == line_sym && n==1) {
                return jl_new_struct(jl_linenumbernode_type,
                                     scm_to_julia_(car_(e)));
            }
            if (sym == label_sym) {
                return jl_new_struct(jl_labelnode_type,
                                     scm_to_julia_(car_(e)));
            }
            if (sym == goto_sym) {
                return jl_new_struct(jl_gotonode_type,
                                     scm_to_julia_(car_(e)));
            }
            if (sym == quote_sym) {
                return jl_new_struct(jl_quotenode_type,
                                     scm_to_julia_(car_(e)));
            }
            if (sym == top_sym) {
                return jl_new_struct(jl_topnode_type,
                                     scm_to_julia_(car_(e)));
            }
            jl_expr_t *ex = jl_exprn(sym, n);
            for(i=0; i < n; i++) {
                assert(iscons(e));
                jl_cellset(ex->args, i, scm_to_julia_(car_(e)));
                e = cdr_(e);
            }
            return (jl_value_t*)ex;
        }
        else {
            jl_error("malformed tree");
        }
    }
    if (iscprim(e) && cp_class((cprim_t*)ptr(e))==wchartype) {
        jl_value_t *wc =
            jl_box32(jl_char_type, *(int32_t*)cp_data((cprim_t*)ptr(e)));
        return wc;
    }
    if (iscvalue(e) && cv_class((cvalue_t*)ptr(e)) == jvtype) {
        return *(jl_value_t**)cv_data((cvalue_t*)ptr(e));
    }
    jl_error("malformed tree");
    
    return (jl_value_t*)jl_null;
}
Beispiel #6
0
static jl_value_t *jl_deserialize_value(ios_t *s)
{
    int pos = ios_pos(s);
    int32_t tag = read_uint8(s);
    if (tag == Null_tag)
        return NULL;
    if (tag == 0) {
        tag = read_uint8(s);
        return (jl_value_t*)ptrhash_get(&deser_tag, (void*)(ptrint_t)tag);
    }
    if (tag == BackRef_tag) {
        assert(tree_literal_values == NULL);
        ptrint_t offs = read_int32(s);
        void **bp = ptrhash_bp(&backref_table, (void*)(ptrint_t)offs);
        assert(*bp != HT_NOTFOUND);
        return (jl_value_t*)*bp;
    }

    jl_value_t *vtag=(jl_value_t*)ptrhash_get(&deser_tag,(void*)(ptrint_t)tag);
    if (tag >= VALUE_TAGS) {
        return vtag;
    }

    int usetable = (tree_literal_values == NULL);

    size_t i;
    if (vtag == (jl_value_t*)jl_tuple_type ||
        vtag == (jl_value_t*)LongTuple_tag) {
        size_t len;
        if (vtag == (jl_value_t*)jl_tuple_type)
            len = read_uint8(s);
        else
            len = read_int32(s);
        jl_tuple_t *tu = jl_alloc_tuple_uninit(len);
        if (usetable)
            ptrhash_put(&backref_table, (void*)(ptrint_t)pos, (jl_value_t*)tu);
        for(i=0; i < len; i++)
            jl_tupleset(tu, i, jl_deserialize_value(s));
        return (jl_value_t*)tu;
    }
    else if (vtag == (jl_value_t*)jl_symbol_type ||
             vtag == (jl_value_t*)LongSymbol_tag) {
        size_t len;
        if (vtag == (jl_value_t*)jl_symbol_type)
            len = read_uint8(s);
        else
            len = read_int32(s);
        char *name = alloca(len+1);
        ios_read(s, name, len);
        name[len] = '\0';
        jl_value_t *s = (jl_value_t*)jl_symbol(name);
        if (usetable)
            ptrhash_put(&backref_table, (void*)(ptrint_t)pos, s);
        return s;
    }
    else if (vtag == (jl_value_t*)jl_array_type) {
        jl_value_t *aty = jl_deserialize_value(s);
        jl_value_t *elty = jl_tparam0(aty);
        int16_t ndims = jl_unbox_long(jl_tparam1(aty));
        size_t *dims = alloca(ndims*sizeof(size_t));
        for(i=0; i < ndims; i++)
            dims[i] = jl_unbox_long(jl_deserialize_value(s));
        jl_array_t *a = jl_new_array_((jl_type_t*)aty, ndims, dims);
        if (usetable)
            ptrhash_put(&backref_table, (void*)(ptrint_t)pos, (jl_value_t*)a);
        if (jl_is_bits_type(elty)) {
            size_t tot = a->length * a->elsize;
            ios_read(s, a->data, tot);
        }
        else {
            for(i=0; i < a->length; i++) {
                ((jl_value_t**)a->data)[i] = jl_deserialize_value(s);
            }
        }
        return (jl_value_t*)a;
    }
    else if (vtag == (jl_value_t*)jl_expr_type ||
             vtag == (jl_value_t*)LongExpr_tag) {
        size_t len;
        if (vtag == (jl_value_t*)jl_expr_type)
            len = read_uint8(s);
        else
            len = read_int32(s);
        jl_expr_t *e = jl_exprn((jl_sym_t*)jl_deserialize_value(s), len);
        if (usetable)
            ptrhash_put(&backref_table, (void*)(ptrint_t)pos, (jl_value_t*)e);
        e->etype = jl_deserialize_value(s);
        for(i=0; i < len; i++) {
            jl_cellset(e->args, i, jl_deserialize_value(s));
        }
        return (jl_value_t*)e;
    }
    else if (vtag == (jl_value_t*)LiteralVal_tag) {
        return jl_cellref(tree_literal_values, read_uint16(s));
    }
    else if (vtag == (jl_value_t*)jl_tvar_type) {
        jl_tvar_t *tv = (jl_tvar_t*)newobj((jl_type_t*)jl_tvar_type, 4);
        if (usetable)
            ptrhash_put(&backref_table, (void*)(ptrint_t)pos, tv);
        tv->name = (jl_sym_t*)jl_deserialize_value(s);
        tv->lb = jl_deserialize_value(s);
        tv->ub = jl_deserialize_value(s);
        tv->bound = read_int8(s);
        return (jl_value_t*)tv;
    }
    else if (vtag == (jl_value_t*)jl_func_kind) {
        jl_value_t *ftype = jl_deserialize_value(s);
        jl_function_t *f = (jl_function_t*)newobj((jl_type_t*)ftype, 3);
        if (usetable)
            ptrhash_put(&backref_table, (void*)(ptrint_t)pos, f);
        f->linfo = (jl_lambda_info_t*)jl_deserialize_value(s);
        f->env = jl_deserialize_value(s);
        f->fptr = jl_deserialize_fptr(s);
        if (f->fptr == NULL) {
            f->fptr = &jl_trampoline;
        }
        return (jl_value_t*)f;
    }
    else if (vtag == (jl_value_t*)jl_lambda_info_type) {
        jl_lambda_info_t *li =
            (jl_lambda_info_t*)newobj((jl_type_t*)jl_lambda_info_type,
                                      LAMBDA_INFO_NW);
        if (usetable)
            ptrhash_put(&backref_table, (void*)(ptrint_t)pos, li);
        li->ast = jl_deserialize_value(s);
        li->sparams = (jl_tuple_t*)jl_deserialize_value(s);
        li->tfunc = jl_deserialize_value(s);
        li->name = (jl_sym_t*)jl_deserialize_value(s);
        li->specTypes = jl_deserialize_value(s);
        li->specializations = (jl_array_t*)jl_deserialize_value(s);
        li->inferred = jl_deserialize_value(s);
        li->file = jl_deserialize_value(s);
        li->line = jl_deserialize_value(s);
        li->module = (jl_module_t*)jl_deserialize_value(s);

        li->fptr = NULL;
        li->roots = NULL;
        li->functionObject = NULL;
        li->inInference = 0;
        li->inCompile = 0;
        li->unspecialized = NULL;
        return (jl_value_t*)li;
    }
    else if (vtag == (jl_value_t*)jl_module_type) {
        jl_module_t *m = jl_new_module(anonymous_sym);
        if (usetable)
            ptrhash_put(&backref_table, (void*)(ptrint_t)pos, m);
        m->name = (jl_sym_t*)jl_deserialize_value(s);
        while (1) {
            jl_value_t *name = jl_deserialize_value(s);
            if (name == NULL)
                break;
            jl_binding_t *b = jl_get_binding_wr(m, (jl_sym_t*)name);
            b->value = jl_deserialize_value(s);
            b->type = (jl_type_t*)jl_deserialize_value(s);
            b->constp = read_int8(s);
            b->exportp = read_int8(s);
        }
        while (1) {
            jl_value_t *name = jl_deserialize_value(s);
            if (name == NULL)
                break;
            jl_set_expander(m, (jl_sym_t*)name,
                            (jl_function_t*)jl_deserialize_value(s));
        }
        return (jl_value_t*)m;
    }
    else if (vtag == (jl_value_t*)jl_methtable_type) {
        jl_methtable_t *mt = (jl_methtable_t*)allocobj(sizeof(jl_methtable_t));
        if (usetable)
            ptrhash_put(&backref_table, (void*)(ptrint_t)pos, mt);
        mt->type = (jl_type_t*)jl_methtable_type;
        mt->defs = jl_deserialize_methlist(s);
        mt->cache = jl_deserialize_methlist(s);
        mt->cache_1arg = (jl_array_t*)jl_deserialize_value(s);
        mt->max_args = read_int32(s);
        return (jl_value_t*)mt;
    }
    else if (vtag == (jl_value_t*)SmallInt64_tag) {
        jl_value_t *v = jl_box_int64(read_int32(s));
        if (usetable)
            ptrhash_put(&backref_table, (void*)(ptrint_t)pos, v);
        return v;
    }
    else if (vtag == (jl_value_t*)jl_bits_kind) {
        jl_bits_type_t *bt = (jl_bits_type_t*)jl_deserialize_value(s);
        int nby = bt->nbits/8;
        char *data = alloca(nby);
        ios_read(s, data, nby);
        jl_value_t *v=NULL;
        if (bt == jl_int32_type)
            v = jl_box_int32(*(int32_t*)data);
        else if (bt == jl_int64_type)
            v = jl_box_int64(*(int64_t*)data);
        else if (bt == jl_bool_type)
            v = jl_box_bool(*(int8_t*)data);
        else {
            switch (bt->nbits) {
            case  8: v = jl_box8 (bt, *(int8_t*) data); break;
            case 16: v = jl_box16(bt, *(int16_t*)data); break;
            case 32: v = jl_box32(bt, *(int32_t*)data); break;
            case 64: v = jl_box64(bt, *(int64_t*)data); break;
            default:
                v = (jl_value_t*)allocobj(sizeof(void*)+nby);
                v->type = (jl_type_t*)bt;
                memcpy(jl_bits_data(v), data, nby);
            }
        }
        if (usetable)
            ptrhash_put(&backref_table, (void*)(ptrint_t)pos, v);
        return v;
    }
    else if (vtag == (jl_value_t*)jl_struct_kind) {
        jl_struct_type_t *typ = (jl_struct_type_t*)jl_deserialize_value(s);
        if (typ == jl_struct_kind || typ == jl_bits_kind)
            return jl_deserialize_tag_type(s, typ, pos);
        size_t nf = typ->names->length;
        jl_value_t *v = jl_new_struct_uninit(typ);
        if (usetable)
            ptrhash_put(&backref_table, (void*)(ptrint_t)pos, v);
        for(i=0; i < nf; i++) {
            ((jl_value_t**)v)[i+1] = jl_deserialize_value(s);
        }
        // TODO: put WeakRefs on the weak_refs list
        return v;
    }
    else if (vtag == (jl_value_t*)jl_tag_kind) {
        return jl_deserialize_tag_type(s, jl_tag_kind, pos);
    }
    assert(0);
    return NULL;
}
Beispiel #7
0
static jl_value_t *scm_to_julia_(value_t e, int eo)
{
    if (fl_isnumber(e)) {
        int64_t i64;
        if (isfixnum(e)) {
            i64 = numval(e);
        }
        else {
            assert(iscprim(e));
            cprim_t *cp = (cprim_t*)ptr(e);
            numerictype_t nt = cp_numtype(cp);
            switch (nt) {
            case T_DOUBLE:
                return (jl_value_t*)jl_box_float64(*(double*)cp_data(cp));
            case T_FLOAT:
                return (jl_value_t*)jl_box_float32(*(float*)cp_data(cp));
            case T_UINT8:
                return (jl_value_t*)jl_box_uint8(*(uint8_t*)cp_data(cp));
            case T_UINT16:
                return (jl_value_t*)jl_box_uint16(*(uint16_t*)cp_data(cp));
            case T_UINT32:
                return (jl_value_t*)jl_box_uint32(*(uint32_t*)cp_data(cp));
            case T_UINT64:
                return (jl_value_t*)jl_box_uint64(*(uint64_t*)cp_data(cp));
            default:
                ;
            }
            i64 = conv_to_int64(cp_data(cp), nt);
        }
        if (
#ifdef _P64
            jl_compileropts.int_literals==32
#else
            jl_compileropts.int_literals!=64
#endif
            ) {
            if (i64 > (int64_t)S32_MAX || i64 < (int64_t)S32_MIN)
                return (jl_value_t*)jl_box_int64(i64);
            return (jl_value_t*)jl_box_int32((int32_t)i64);
        }
        else {
            return (jl_value_t*)jl_box_int64(i64);
        }
    }
    if (issymbol(e)) {
        if (e == true_sym)
            return jl_true;
        else if (e == false_sym)
            return jl_false;
        return (jl_value_t*)scmsym_to_julia(e);
    }
    if (fl_isstring(e)) {
        return jl_pchar_to_string((char*)cvalue_data(e), cvalue_len(e));
    }
    if (e == FL_F) {
        return jl_false;
    }
    if (e == FL_T) {
        return jl_true;
    }
    if (e == FL_NIL) {
        return (jl_value_t*)jl_null;
    }
    if (iscons(e)) {
        value_t hd = car_(e);
        if (issymbol(hd)) {
            jl_sym_t *sym = scmsym_to_julia(hd);
            /* tree node types:
               goto  gotoifnot  label  return
               lambda  call  =  quote
               null  top  method
               body  file new
               line  enter  leave
            */
            size_t n = llength(e)-1;
            size_t i;
            if (sym == null_sym && n == 0)
                return jl_nothing;
            if (sym == lambda_sym) {
                jl_expr_t *ex = jl_exprn(lambda_sym, n);
                e = cdr_(e);
                value_t largs = car_(e);
                jl_cellset(ex->args, 0, full_list(largs,eo));
                e = cdr_(e);
                
                value_t ee = car_(e);
                jl_array_t *vinf = jl_alloc_cell_1d(3);
                jl_cellset(vinf, 0, full_list(car_(ee),eo));
                ee = cdr_(ee);
                jl_cellset(vinf, 1, full_list_of_lists(car_(ee),eo));
                ee = cdr_(ee);
                jl_cellset(vinf, 2, full_list_of_lists(car_(ee),eo));
                assert(!iscons(cdr_(ee)));
                jl_cellset(ex->args, 1, vinf);
                e = cdr_(e);
                
                for(i=2; i < n; i++) {
                    assert(iscons(e));
                    jl_cellset(ex->args, i, scm_to_julia_(car_(e), eo));
                    e = cdr_(e);
                }
                return
                    (jl_value_t*)jl_new_lambda_info((jl_value_t*)ex, jl_null);
            }

            e = cdr_(e);
            if (!eo) {
                if (sym == line_sym && n==1) {
                    return jl_new_struct(jl_linenumbernode_type,
                                         scm_to_julia_(car_(e),0));
                }
                if (sym == label_sym) {
                    return jl_new_struct(jl_labelnode_type,
                                         scm_to_julia_(car_(e),0));
                }
                if (sym == goto_sym) {
                    return jl_new_struct(jl_gotonode_type,
                                         scm_to_julia_(car_(e),0));
                }
                if (sym == quote_sym) {
                    return jl_new_struct(jl_quotenode_type,
                                         scm_to_julia_(car_(e),0));
                }
                if (sym == top_sym) {
                    return jl_new_struct(jl_topnode_type,
                                         scm_to_julia_(car_(e),0));
                }
                if (sym == newvar_sym) {
                    return jl_new_struct(jl_newvarnode_type,
                                         scm_to_julia_(car_(e),0));
                }
            }
            jl_expr_t *ex = jl_exprn(sym, n);
            // allocate a fresh args array for empty exprs passed to macros
            if (eo && n == 0)
                ex->args = jl_alloc_cell_1d(0);
            for(i=0; i < n; i++) {
                assert(iscons(e));
                jl_cellset(ex->args, i, scm_to_julia_(car_(e),eo));
                e = cdr_(e);
            }
            return (jl_value_t*)ex;
        }
        else {
            jl_error("malformed tree");
        }
    }
    if (iscprim(e) && cp_class((cprim_t*)ptr(e))==wchartype) {
        jl_value_t *wc =
            jl_box32(jl_char_type, *(int32_t*)cp_data((cprim_t*)ptr(e)));
        return wc;
    }
    if (iscvalue(e) && cv_class((cvalue_t*)ptr(e)) == jvtype) {
        return *(jl_value_t**)cv_data((cvalue_t*)ptr(e));
    }
    jl_error("malformed tree");
    
    return (jl_value_t*)jl_null;
}
Beispiel #8
0
static jl_value_t *scm_to_julia_(fl_context_t *fl_ctx, value_t e, int eo)
{
    if (fl_isnumber(fl_ctx, e)) {
        int64_t i64;
        if (isfixnum(e)) {
            i64 = numval(e);
        }
        else {
            assert(iscprim(e));
            cprim_t *cp = (cprim_t*)ptr(e);
            numerictype_t nt = cp_numtype(cp);
            switch (nt) {
            case T_DOUBLE:
                return (jl_value_t*)jl_box_float64(*(double*)cp_data(cp));
            case T_FLOAT:
                return (jl_value_t*)jl_box_float32(*(float*)cp_data(cp));
            case T_UINT8:
                return (jl_value_t*)jl_box_uint8(*(uint8_t*)cp_data(cp));
            case T_UINT16:
                return (jl_value_t*)jl_box_uint16(*(uint16_t*)cp_data(cp));
            case T_UINT32:
                return (jl_value_t*)jl_box_uint32(*(uint32_t*)cp_data(cp));
            case T_UINT64:
                return (jl_value_t*)jl_box_uint64(*(uint64_t*)cp_data(cp));
            default:
                ;
            }
            i64 = conv_to_int64(cp_data(cp), nt);
        }
#ifdef _P64
        return (jl_value_t*)jl_box_int64(i64);
#else
        if (i64 > (int64_t)S32_MAX || i64 < (int64_t)S32_MIN)
            return (jl_value_t*)jl_box_int64(i64);
        else
            return (jl_value_t*)jl_box_int32((int32_t)i64);
#endif
    }
    if (issymbol(e)) {
        if (e == jl_ast_ctx(fl_ctx)->true_sym)
            return jl_true;
        else if (e == jl_ast_ctx(fl_ctx)->false_sym)
            return jl_false;
        return (jl_value_t*)scmsym_to_julia(fl_ctx, e);
    }
    if (fl_isstring(fl_ctx, e))
        return jl_pchar_to_string((char*)cvalue_data(e), cvalue_len(e));
    if (iscons(e) || e == fl_ctx->NIL) {
        value_t hd;
        jl_sym_t *sym;
        if (e == fl_ctx->NIL) {
            hd = e;
        }
        else {
            hd = car_(e);
            if (hd == jl_ast_ctx(fl_ctx)->ssavalue_sym)
                return jl_box_ssavalue(numval(car_(cdr_(e))));
            else if (hd == jl_ast_ctx(fl_ctx)->slot_sym)
                return jl_box_slotnumber(numval(car_(cdr_(e))));
            else if (hd == jl_ast_ctx(fl_ctx)->null_sym && llength(e) == 1)
                return jl_nothing;
        }
        if (issymbol(hd))
            sym = scmsym_to_julia(fl_ctx, hd);
        else
            sym = list_sym;
        size_t n = llength(e)-1;
        if (issymbol(hd))
            e = cdr_(e);
        else
            n++;
        if (!eo) {
            if (sym == line_sym && n==1) {
                jl_value_t *linenum = scm_to_julia_(fl_ctx, car_(e), 0);
                JL_GC_PUSH1(&linenum);
                jl_value_t *temp = jl_new_struct(jl_linenumbernode_type, linenum);
                JL_GC_POP();
                return temp;
            }
            jl_value_t *scmv = NULL, *temp = NULL;
            JL_GC_PUSH1(&scmv);
            if (sym == label_sym) {
                scmv = scm_to_julia_(fl_ctx,car_(e),0);
                temp = jl_new_struct(jl_labelnode_type, scmv);
                JL_GC_POP();
                return temp;
            }
            if (sym == goto_sym) {
                scmv = scm_to_julia_(fl_ctx,car_(e),0);
                temp = jl_new_struct(jl_gotonode_type, scmv);
                JL_GC_POP();
                return temp;
            }
            if (sym == inert_sym || (sym == quote_sym && (!iscons(car_(e))))) {
                scmv = scm_to_julia_(fl_ctx,car_(e),0);
                temp = jl_new_struct(jl_quotenode_type, scmv);
                JL_GC_POP();
                return temp;
            }
            if (sym == top_sym) {
                scmv = scm_to_julia_(fl_ctx,car_(e),0);
                assert(jl_is_symbol(scmv));
                temp = jl_module_globalref(jl_base_relative_to(jl_current_module), (jl_sym_t*)scmv);
                JL_GC_POP();
                return temp;
            }
            if (sym == core_sym) {
                scmv = scm_to_julia_(fl_ctx,car_(e),0);
                assert(jl_is_symbol(scmv));
                temp = jl_module_globalref(jl_core_module, (jl_sym_t*)scmv);
                JL_GC_POP();
                return temp;
            }
            if (sym == globalref_sym) {
                scmv = scm_to_julia_(fl_ctx,car_(e),0);
                temp = scm_to_julia_(fl_ctx,car_(cdr_(e)),0);
                assert(jl_is_module(scmv));
                assert(jl_is_symbol(temp));
                temp = jl_module_globalref((jl_module_t*)scmv, (jl_sym_t*)temp);
                JL_GC_POP();
                return temp;
            }
            if (sym == newvar_sym) {
                scmv = scm_to_julia_(fl_ctx,car_(e),0);
                temp = jl_new_struct(jl_newvarnode_type, scmv);
                JL_GC_POP();
                return temp;
            }
            JL_GC_POP();
        }
        else if (sym == inert_sym && !iscons(car_(e))) {
            sym = quote_sym;
        }
        jl_value_t *ex = (jl_value_t*)jl_exprn(sym, n);
        JL_GC_PUSH1(&ex);
        // allocate a fresh args array for empty exprs passed to macros
        if (eo && n == 0) {
            ((jl_expr_t*)ex)->args = jl_alloc_vec_any(0);
            jl_gc_wb(ex, ((jl_expr_t*)ex)->args);
        }
        size_t i;
        for(i=0; i < n; i++) {
            assert(iscons(e));
            jl_array_ptr_set(((jl_expr_t*)ex)->args, i, scm_to_julia_(fl_ctx, car_(e), eo));
            e = cdr_(e);
        }
        if (sym == lambda_sym)
            ex = (jl_value_t*)jl_new_lambda_info_from_ast((jl_expr_t*)ex);
        JL_GC_POP();
        if (sym == list_sym)
            return (jl_value_t*)((jl_expr_t*)ex)->args;
        return (jl_value_t*)ex;
    }
    if (iscprim(e) && cp_class((cprim_t*)ptr(e)) == fl_ctx->wchartype) {
        return jl_box32(jl_char_type, *(int32_t*)cp_data((cprim_t*)ptr(e)));
    }
    if (iscvalue(e) && cv_class((cvalue_t*)ptr(e)) == jl_ast_ctx(fl_ctx)->jvtype) {
        return *(jl_value_t**)cv_data((cvalue_t*)ptr(e));
    }
    jl_error("malformed tree");

    return jl_nothing;
}