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Make KotlinClassFileHeader immutable, make its inner class nested

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This commit is contained in:
Alexander Udalov
2013-09-19 18:30:25 +04:00
parent e981681d3e
commit 9e9b3c7284
1 changed files with 28 additions and 19 deletions
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core/descriptor.loader.java/src/org/jetbrains/jet/lang/resolve/java/resolver/KotlinClassFileHeader.java
+28 -19
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@@ -26,11 +26,10 @@ public final class KotlinClassFileHeader {
@NotNull
public static KotlinClassFileHeader readKotlinHeaderFromClassFile(@NotNull VirtualFile virtualFile) {
try {
byte[] bytes = virtualFile.contentsToByteArray();
ClassReader reader = new ClassReader(bytes);
KotlinClassFileHeader classFileData = new KotlinClassFileHeader();
reader.accept(classFileData.new ReadDataFromAnnotationVisitor(), SKIP_CODE | SKIP_FRAMES | SKIP_DEBUG);
return classFileData;
ClassReader reader = new ClassReader(virtualFile.contentsToByteArray());
ReadDataFromAnnotationVisitor visitor = new ReadDataFromAnnotationVisitor();
reader.accept(visitor, SKIP_CODE | SKIP_FRAMES | SKIP_DEBUG);
return new KotlinClassFileHeader(visitor.version, visitor.annotationData, visitor.type, visitor.fqName);
}
catch (IOException e) {
throw new RuntimeException(e);
@@ -70,14 +69,20 @@ public final class KotlinClassFileHeader {
}
}
private int version = AbiVersionUtil.INVALID_VERSION;
private final int version;
@Nullable
private final String[] annotationData;
@Nullable
private final HeaderType type;
@Nullable
private final FqName fqName;
@Nullable
private String[] annotationData = null;
@Nullable
private HeaderType type = null;
@Nullable
private JvmClassName jvmClassName = null;
private KotlinClassFileHeader(int version, @Nullable String[] annotationData, @Nullable HeaderType type, @Nullable FqName fqName) {
this.version = version;
this.annotationData = annotationData;
this.type = type;
this.fqName = fqName;
}
public int getVersion() {
return version;
@@ -100,8 +105,8 @@ public final class KotlinClassFileHeader {
*/
@NotNull
public FqName getFqName() {
assert jvmClassName != null;
return jvmClassName.getFqName();
assert fqName != null;
return fqName;
}
@Nullable
@@ -112,7 +117,14 @@ public final class KotlinClassFileHeader {
return annotationData;
}
private class ReadDataFromAnnotationVisitor extends ClassVisitor {
private static class ReadDataFromAnnotationVisitor extends ClassVisitor {
private int version = AbiVersionUtil.INVALID_VERSION;
@Nullable
private String[] annotationData = null;
@Nullable
private HeaderType type = null;
@Nullable
private FqName fqName = null;
public ReadDataFromAnnotationVisitor() {
super(Opcodes.ASM4);
@@ -120,7 +132,7 @@ public final class KotlinClassFileHeader {
@Override
public void visit(int version, int access, String name, String signature, String superName, String[] interfaces) {
jvmClassName = JvmClassName.byInternalName(name);
fqName = JvmClassName.byInternalName(name).getFqName();
}
@Override
@@ -185,7 +197,4 @@ public final class KotlinClassFileHeader {
};
}
}
private KotlinClassFileHeader() {
}
}