static gboolean
do_const_dcl(TreeState *state)
{
    struct _IDL_CONST_DCL *dcl = &IDL_CONST_DCL(state->tree);
    const char *name = IDL_IDENT(dcl->ident).str;
    gboolean is_signed;
    GSList *doc_comments = IDL_IDENT(dcl->ident).comments;
    IDL_tree real_type;
    const char *const_format;

    if (!verify_const_declaration(state->tree))
        return FALSE;

    if (doc_comments != NULL) {
        write_indent(state->file);
        printlist(state->file, doc_comments);
    }

    /* Could be a typedef; try to map it to the real type. */
    real_type = find_underlying_type(dcl->const_type);
    real_type = real_type ? real_type : dcl->const_type;
    is_signed = IDL_TYPE_INTEGER(real_type).f_signed;

    const_format = is_signed ? "%" IDL_LL "d" : "%" IDL_LL "uU";
    write_indent(state->file);
    fprintf(state->file, "enum { %s = ", name);
    fprintf(state->file, const_format, IDL_INTEGER(dcl->const_exp).value);
    fprintf(state->file, " };\n\n");

    return TRUE;
}
Exemplo n.º 2
0
static gboolean
typelib_const_dcl(TreeState *state)
{
    struct _IDL_CONST_DCL *dcl = &IDL_CONST_DCL(state->tree);
    const char *name = IDL_IDENT(dcl->ident).str;
    gboolean is_long;
    gboolean sign;
    IDL_tree real_type;
    XPTInterfaceDescriptor *id;
    XPTConstDescriptor *cd;
    IDL_longlong_t value;

    if (!verify_const_declaration(state->tree))
        return FALSE;

    /* Could be a typedef; try to map it to the real type. */
    real_type = find_underlying_type(dcl->const_type);
    real_type = real_type ? real_type : dcl->const_type;
    is_long = (IDL_TYPE_INTEGER(real_type).f_type == IDL_INTEGER_TYPE_LONG);

    id = CURRENT(state);
    if (!XPT_InterfaceDescriptorAddConsts(ARENA(state), id, 1))
        return FALSE;
    cd = &id->const_descriptors[NEXT_CONST(state)];
    
    cd->name = IDL_IDENT(dcl->ident).str;
#ifdef DEBUG_shaver_const
    fprintf(stderr, "DBG: adding const %s\n", cd->name);
#endif
    if (!fill_td_from_type(state, &cd->type, dcl->const_type))
        return FALSE;
    
    value = IDL_INTEGER(dcl->const_exp).value;
    sign = IDL_TYPE_INTEGER(dcl->const_type).f_signed;
    if (is_long) {
        if (sign)
            cd->value.i32 = value;
        else
            cd->value.ui32 = value;
    } else {
        if (sign)
            cd->value.i16 = value;
        else
            cd->value.ui16 = value;
    }
    NEXT_CONST(state)++;
    return TRUE;
}
Exemplo n.º 3
0
static gboolean
constant_declaration(TreeState *state)
{
    /*
     * The C++ header XPIDL module only allows for shorts and longs (ints)
     * to be constants, so we will follow the same convention
     */

    struct _IDL_CONST_DCL *declaration = &IDL_CONST_DCL(state->tree);
    const char *name = IDL_IDENT(declaration->ident).str;
    IDL_tree real_type;
    
    gboolean success;
    gboolean isshort = FALSE;

    if (!verify_const_declaration(state->tree))
        return FALSE;

    /* Could be a typedef; try to map it to the real type. */
    real_type = find_underlying_type(declaration->const_type);
    real_type = real_type ? real_type : declaration->const_type;

    /*
     * Consts must be in an interface
     */

    if (!IDL_NODE_UP(IDL_NODE_UP(state->tree)) ||
        IDL_NODE_TYPE(IDL_NODE_UP(IDL_NODE_UP(state->tree))) != 
        IDLN_INTERFACE) {

        XPIDL_WARNING((state->tree, IDL_WARNING1,
                       "A constant \"%s\" was declared outside an interface."
                       "  It was ignored.", name));

        return TRUE;
    }

    /*
     * Make sure this is a numeric short or long constant.
     */

    success = (IDLN_TYPE_INTEGER == IDL_NODE_TYPE(real_type));

    if (success) {
        /*
         * We aren't successful yet, we know it's an integer, but what *kind*
         * of integer?
         */

        switch(IDL_TYPE_INTEGER(real_type).f_type) {

        case IDL_INTEGER_TYPE_SHORT:
            /*
             * We're OK
             */
            isshort = TRUE;
            break;

        case IDL_INTEGER_TYPE_LONG:
            /*
             * We're OK
             */            
            break;
            
        default:
            /*
             * Whoops, it's some other kind of number
             */            
            success = FALSE;
        }	
    } else {
            IDL_tree_error(state->tree,
                           "const declaration \'%s\' must be of type short or long",
                           name);
            return FALSE;
    }

/*    if (doc_comments != NULL) {
        fputs("    ", state->file);
        printlist(state->file, doc_comments);
    }   */

    if (success) {
        /* Since Java does not have any concept of 'unsigned short', we need
         * to check that the value is in the proper range.  If not, promote
         * it to an 'int'. */
        int value = (int) IDL_INTEGER(declaration->const_exp).value;
        if (isshort && (value < -32768 || value > 32767))
            isshort = FALSE;

        fputc('\n', state->file);
        xpidl_write_comment(state, 4);
/*        write_comment(state);     */

        fprintf(state->file, "    public static final %s %s = %d;\n",
                (isshort ? "short" : "int"),
                subscriptIdentifier(state, (char*) name),
                (int) IDL_INTEGER(declaration->const_exp).value);
    } else {
        XPIDL_WARNING((state->tree, IDL_WARNING1,
                       "A constant \"%s\" was not of type short or long."
                       "  It was ignored.", name));	
    }

    return TRUE;

}