Ejemplo n.º 1
0
Archivo: alloc.c Proyecto: FizzyP/julia
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);
        boxed_uint8_cache[i] = jl_box8(jl_uint8_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);
    }
}
Ejemplo n.º 2
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);
    }
}
Ejemplo n.º 3
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;
}