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package com.intellij.compilerOutputIndex.impl.quickInheritance;
import com.intellij.compilerOutputIndex.api.descriptor.HashSetDataExternalizer;
import com.intellij.compilerOutputIndex.api.fs.AsmUtil;
import com.intellij.compilerOutputIndex.api.indexer.CompilerOutputBaseIndex;
import com.intellij.compilerOutputIndex.api.indexer.CompilerOutputIndexer;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.util.Ref;
import com.intellij.util.indexing.DataIndexer;
import com.intellij.util.indexing.ID;
import com.intellij.util.indexing.StorageException;
import com.intellij.util.indexing.ValueContainer;
import com.intellij.util.io.EnumeratorStringDescriptor;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.jetbrains.asm4.ClassReader;
import org.jetbrains.asm4.ClassVisitor;
import org.jetbrains.asm4.MethodVisitor;
import org.jetbrains.asm4.Opcodes;
import java.util.*;
/**
* @author Dmitry Batkovich
*/
public class QuickMethodsIndex extends CompilerOutputBaseIndex<String, Set<String>> {
public static QuickMethodsIndex getInstance(final Project project) {
return CompilerOutputIndexer.getInstance(project).getIndex(QuickMethodsIndex.class);
}
public QuickMethodsIndex() {
super(new EnumeratorStringDescriptor(), new HashSetDataExternalizer<String>(new EnumeratorStringDescriptor()));
}
@Override
protected ID<String, Set<String>> getIndexId() {
return generateIndexId(QuickMethodsIndex.class);
}
@Override
protected int getVersion() {
return 0;
}
protected Set<String> getMethodsNames(final String classQName) {
final Ref<Set<String>> methodsRef = Ref.create();
try {
myIndex.getData(classQName).forEach(new ValueContainer.ContainerAction<Set<String>>() {
@Override
public boolean perform(final int id, final Set<String> value) {
methodsRef.set(value);
return true;
}
});
final Set<String> methods = methodsRef.get();
return methods == null ? Collections.<String>emptySet() : methods;
}
catch (StorageException e) {
throw new RuntimeException(e);
}
}
@Override
protected DataIndexer<String, Set<String>, ClassReader> getIndexer() {
return new DataIndexer<String, Set<String>, ClassReader>() {
@NotNull
@Override
public Map<String, Set<String>> map(final ClassReader inputData) {
final Map<String, Set<String>> map = new HashMap<String, Set<String>>();
inputData.accept(new ClassVisitor(Opcodes.ASM4) {
private String myClassName;
private final HashSet<String> myMethodNames = new HashSet<String>();
@Override
public void visit(final int i, final int i2, final String name, final String s2, final String s3, final String[] strings) {
myClassName = AsmUtil.getQualifiedClassName(name);
}
@Override
public void visitEnd() {
map.put(myClassName, myMethodNames);
}
@Nullable
@Override
public MethodVisitor visitMethod(final int access,
final String name,
final String desc,
final String sign,
final String[] exceptions) {
if ((access & Opcodes.ACC_STATIC) == 0) {
myMethodNames.add(name);
}
return null;
}
}, Opcodes.ASM4);
return map;
}
};
}
}
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