17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24
25 package org.graalvm.compiler.options;
26
27 import java.util.Arrays;
28 import java.util.Collections;
29 import java.util.List;
30
31 /**
32 * Describes the attributes of a static field {@linkplain Option option} and provides access to its
33 * {@linkplain OptionKey value}.
34 */
35 public final class OptionDescriptor {
36
37 protected final String name;
38 protected final OptionType optionType;
39 protected final Class<?> optionValueType;
40 protected final String help;
41 protected final List<String> extraHelp;
42 protected final OptionKey<?> optionKey;
43 protected final Class<?> declaringClass;
44 protected final String fieldName;
45
46 private static final String[] NO_EXTRA_HELP = {};
47
48 public static OptionDescriptor create(String name, OptionType optionType, Class<?> optionValueType, String help, Class<?> declaringClass, String fieldName, OptionKey<?> option) {
49 return create(name, optionType, optionValueType, help, NO_EXTRA_HELP, declaringClass, fieldName, option);
50 }
51
52 public static OptionDescriptor create(String name, OptionType optionType, Class<?> optionValueType, String help, String[] extraHelp, Class<?> declaringClass, String fieldName,
53 OptionKey<?> option) {
54 assert option != null : declaringClass + "." + fieldName;
55 OptionDescriptor result = option.getDescriptor();
56 if (result == null) {
57 List<String> extraHelpList = extraHelp == null || extraHelp.length == 0 ? Collections.emptyList() : Collections.unmodifiableList(Arrays.asList(extraHelp));
58 result = new OptionDescriptor(name, optionType, optionValueType, help, extraHelpList, declaringClass, fieldName, option);
59 option.setDescriptor(result);
60 }
61 assert result.name.equals(name) && result.optionValueType == optionValueType && result.declaringClass == declaringClass && result.fieldName.equals(fieldName) && result.optionKey == option;
62 return result;
63 }
64
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24
25 package org.graalvm.compiler.options;
26
27 import java.util.Arrays;
28 import java.util.Collections;
29 import java.util.List;
30
31 /**
32 * Describes the attributes of a static field {@linkplain Option option} and provides access to its
33 * {@linkplain OptionKey value}.
34 */
35 public final class OptionDescriptor {
36
37 private final String name;
38 private final OptionType optionType;
39 private final Class<?> optionValueType;
40 private final String help;
41 private final List<String> extraHelp;
42 private final OptionKey<?> optionKey;
43 private final Class<?> declaringClass;
44 private final String fieldName;
45
46 private static final String[] NO_EXTRA_HELP = {};
47
48 public static OptionDescriptor create(String name, OptionType optionType, Class<?> optionValueType, String help, Class<?> declaringClass, String fieldName, OptionKey<?> option) {
49 return create(name, optionType, optionValueType, help, NO_EXTRA_HELP, declaringClass, fieldName, option);
50 }
51
52 public static OptionDescriptor create(String name, OptionType optionType, Class<?> optionValueType, String help, String[] extraHelp, Class<?> declaringClass, String fieldName,
53 OptionKey<?> option) {
54 assert option != null : declaringClass + "." + fieldName;
55 OptionDescriptor result = option.getDescriptor();
56 if (result == null) {
57 List<String> extraHelpList = extraHelp == null || extraHelp.length == 0 ? Collections.emptyList() : Collections.unmodifiableList(Arrays.asList(extraHelp));
58 result = new OptionDescriptor(name, optionType, optionValueType, help, extraHelpList, declaringClass, fieldName, option);
59 option.setDescriptor(result);
60 }
61 assert result.name.equals(name) && result.optionValueType == optionValueType && result.declaringClass == declaringClass && result.fieldName.equals(fieldName) && result.optionKey == option;
62 return result;
63 }
64
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