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package cuchaz.enigma.analysis.index;
import cuchaz.enigma.translation.representation.AccessFlags;
import cuchaz.enigma.translation.representation.MethodDescriptor;
import cuchaz.enigma.translation.representation.Signature;
import cuchaz.enigma.translation.representation.entry.ClassEntry;
import cuchaz.enigma.translation.representation.entry.FieldEntry;
import cuchaz.enigma.translation.representation.entry.MethodDefEntry;
import cuchaz.enigma.translation.representation.entry.MethodEntry;
import org.objectweb.asm.ClassVisitor;
import org.objectweb.asm.Handle;
import org.objectweb.asm.MethodVisitor;
import org.objectweb.asm.Opcodes;
public class IndexReferenceVisitor extends ClassVisitor {
private final JarIndexer indexer;
private ClassEntry classEntry;
public IndexReferenceVisitor(JarIndexer indexer, int api) {
super(api);
this.indexer = indexer;
}
@Override
public void visit(int version, int access, String name, String signature, String superName, String[] interfaces) {
this.classEntry = new ClassEntry(name);
}
@Override
public MethodVisitor visitMethod(int access, String name, String desc, String signature, String[] exceptions) {
MethodDefEntry entry = new MethodDefEntry(classEntry, name, new MethodDescriptor(desc), Signature.createSignature(signature), new AccessFlags(access));
return new Method(this.indexer, entry, this.api);
}
private static class Method extends MethodVisitor {
private final JarIndexer indexer;
private final MethodDefEntry callerEntry;
public Method(JarIndexer indexer, MethodDefEntry callerEntry, int api) {
super(api);
this.indexer = indexer;
this.callerEntry = callerEntry;
}
@Override
public void visitFieldInsn(int opcode, String owner, String name, String desc) {
FieldEntry fieldEntry = FieldEntry.parse(owner, name, desc);
this.indexer.indexFieldReference(callerEntry, fieldEntry);
}
@Override
public void visitMethodInsn(int opcode, String owner, String name, String desc, boolean itf) {
MethodEntry methodEntry = MethodEntry.parse(owner, name, desc);
this.indexer.indexMethodReference(callerEntry, methodEntry);
}
@Override
public void visitInvokeDynamicInsn(String name, String desc, Handle bsm, Object... bsmArgs) {
for (Object bsmArg : bsmArgs) {
if (bsmArg instanceof Handle) {
Handle handle = (Handle) bsmArg;
switch (handle.getTag()) {
case Opcodes.H_GETFIELD:
case Opcodes.H_GETSTATIC:
case Opcodes.H_PUTFIELD:
case Opcodes.H_PUTSTATIC:
FieldEntry fieldEntry = FieldEntry.parse(handle.getOwner(), handle.getName(), handle.getDesc());
this.indexer.indexFieldReference(callerEntry, fieldEntry);
break;
case Opcodes.H_INVOKEINTERFACE:
case Opcodes.H_INVOKESPECIAL:
case Opcodes.H_INVOKESTATIC:
case Opcodes.H_INVOKEVIRTUAL:
case Opcodes.H_NEWINVOKESPECIAL:
MethodEntry methodEntry = MethodEntry.parse(handle.getOwner(), handle.getName(), handle.getDesc());
this.indexer.indexMethodReference(callerEntry, methodEntry);
break;
}
}
}
}
}
}
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