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NullUsageProcessor supports Java 6 through 8 (fixes #487)

This commit is contained in:
Sam Harwell 2014-09-25 22:05:41 -05:00
parent 7f577d9209
commit fbe762374c
1 changed files with 16 additions and 2 deletions
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18
runtime/JavaAnnotations/src/org/antlr/v4/runtime/misc/NullUsageProcessor.java
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@ -33,7 +33,6 @@ package org.antlr.v4.runtime.misc;
import javax.annotation.processing.AbstractProcessor;
import javax.annotation.processing.RoundEnvironment;
import javax.annotation.processing.SupportedAnnotationTypes;
import javax.annotation.processing.SupportedSourceVersion;
import javax.lang.model.SourceVersion;
import javax.lang.model.element.AnnotationMirror;
import javax.lang.model.element.Element;
@ -83,7 +82,6 @@ import java.util.Set;
* @author Sam Harwell
*/
@SupportedAnnotationTypes({NullUsageProcessor.NotNullClassName, NullUsageProcessor.NullableClassName})
@SupportedSourceVersion(SourceVersion.RELEASE_6)
public class NullUsageProcessor extends AbstractProcessor {
public static final String NotNullClassName = "org.antlr.v4.runtime.misc.NotNull";
public static final String NullableClassName = "org.antlr.v4.runtime.misc.Nullable";
@ -94,6 +92,22 @@ public class NullUsageProcessor extends AbstractProcessor {
public NullUsageProcessor() {
}
@Override
public SourceVersion getSupportedSourceVersion() {
SourceVersion latestSupported = SourceVersion.latestSupported();
if (latestSupported.ordinal() <= 6) {
return SourceVersion.RELEASE_6;
}
else if (latestSupported.ordinal() <= 8) {
return latestSupported;
}
else {
// this annotation processor is tested through Java 8
return SourceVersion.values()[8];
}
}
@Override
public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
if (!checkClassNameConstants()) {